860 lines
28 KiB
LLVM
860 lines
28 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefix=CHECK
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; Use common transform of:
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; (X & Y) == Y -> (X & Y) != 0 iff Y is non-zero power of 2 to test.
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; (X & Y) != Y -> (X & Y) == 0 iff Y is non-zero power of 2 to test.
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declare i32 @llvm.umin.i32(i32, i32)
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declare i32 @llvm.umax.i32(i32, i32)
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declare i32 @llvm.smin.i32(i32, i32)
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declare i32 @llvm.smax.i32(i32, i32)
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declare i32 @llvm.fshl.i32(i32, i32, i32)
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declare i32 @llvm.fshr.i32(i32, i32, i32)
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define <4 x i32> @pow2_non_splat_vec(<4 x i32> %x) {
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; CHECK-LABEL: pow2_non_splat_vec:
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; CHECK: # %bb.0:
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; CHECK-NEXT: andps {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
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; CHECK-NEXT: retq
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%r = urem <4 x i32> %x, <i32 8, i32 4, i32 16, i32 64>
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ret <4 x i32> %r
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}
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define <4 x i32> @pow2_non_splat_vec_fail0(<4 x i32> %x) {
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; CHECK-LABEL: pow2_non_splat_vec_fail0:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movdqa {{.*#+}} xmm1 = [954437177,1073741824,268435456,67108864]
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; CHECK-NEXT: pmuludq %xmm0, %xmm1
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; CHECK-NEXT: pshufd {{.*#+}} xmm1 = xmm1[1,3,2,3]
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; CHECK-NEXT: pshufd {{.*#+}} xmm2 = xmm0[1,1,3,3]
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; CHECK-NEXT: pmuludq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm2
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; CHECK-NEXT: pshufd {{.*#+}} xmm3 = xmm2[1,3,2,3]
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; CHECK-NEXT: punpckldq {{.*#+}} xmm1 = xmm1[0],xmm3[0],xmm1[1],xmm3[1]
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; CHECK-NEXT: movdqa %xmm1, %xmm3
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; CHECK-NEXT: psrld $1, %xmm3
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; CHECK-NEXT: shufps {{.*#+}} xmm3 = xmm3[0,1],xmm1[2,3]
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; CHECK-NEXT: pmuludq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm3
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; CHECK-NEXT: pshufd {{.*#+}} xmm1 = xmm3[0,2,2,3]
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; CHECK-NEXT: pshufd {{.*#+}} xmm2 = xmm2[1,1,3,3]
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; CHECK-NEXT: pmuludq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm2
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; CHECK-NEXT: pshufd {{.*#+}} xmm2 = xmm2[0,2,2,3]
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; CHECK-NEXT: punpckldq {{.*#+}} xmm1 = xmm1[0],xmm2[0],xmm1[1],xmm2[1]
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; CHECK-NEXT: psubd %xmm1, %xmm0
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; CHECK-NEXT: retq
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%r = urem <4 x i32> %x, <i32 9, i32 4, i32 16, i32 64>
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ret <4 x i32> %r
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}
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define i1 @pow2_shl(i32 %x, i32 %y) {
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; CHECK-LABEL: pow2_shl:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movl %esi, %ecx
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; CHECK-NEXT: movl %edi, %eax
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; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
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; CHECK-NEXT: shrl %cl, %eax
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; CHECK-NEXT: andl $4, %eax
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; CHECK-NEXT: shrl $2, %eax
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; CHECK-NEXT: # kill: def $al killed $al killed $eax
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; CHECK-NEXT: retq
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%d = shl nuw nsw i32 4, %y
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%and = and i32 %x, %d
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%r = icmp eq i32 %and, %d
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ret i1 %r
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}
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define i1 @pow2_shl_fail0(i32 %x, i32 %y) {
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; CHECK-LABEL: pow2_shl_fail0:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movl %esi, %ecx
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; CHECK-NEXT: notl %edi
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; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
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; CHECK-NEXT: shrl %cl, %edi
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; CHECK-NEXT: testb $3, %dil
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; CHECK-NEXT: sete %al
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; CHECK-NEXT: retq
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%d = shl i32 3, %y
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%and = and i32 %x, %d
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%r = icmp eq i32 %and, %d
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ret i1 %r
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}
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define i1 @pow2_shl_fail1(i32 %x, i32 %y) {
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; CHECK-LABEL: pow2_shl_fail1:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movl %esi, %ecx
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; CHECK-NEXT: notl %edi
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; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
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; CHECK-NEXT: shrl %cl, %edi
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; CHECK-NEXT: testb $4, %dil
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; CHECK-NEXT: sete %al
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; CHECK-NEXT: retq
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%d = shl i32 4, %y
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%and = and i32 %x, %d
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%r = icmp eq i32 %and, %d
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ret i1 %r
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}
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define i1 @pow2_srl(i32 %x, i32 %y) {
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; CHECK-LABEL: pow2_srl:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movl %esi, %ecx
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; CHECK-NEXT: movl %edi, %eax
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; CHECK-NEXT: andb $7, %cl
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; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
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; CHECK-NEXT: shll %cl, %eax
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; CHECK-NEXT: shrl $20, %eax
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; CHECK-NEXT: andl $1, %eax
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; CHECK-NEXT: # kill: def $al killed $al killed $eax
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; CHECK-NEXT: retq
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%yy = and i32 %y, 7
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%d = lshr i32 1048576, %yy
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%and = and i32 %x, %d
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%r = icmp eq i32 %and, %d
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ret i1 %r
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}
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define i1 @pow2_srl_fail0(i32 %x, i32 %y) {
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; CHECK-LABEL: pow2_srl_fail0:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movl %esi, %ecx
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; CHECK-NEXT: andb $30, %cl
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; CHECK-NEXT: notl %edi
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; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
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; CHECK-NEXT: shll %cl, %edi
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; CHECK-NEXT: testl $1048576, %edi # imm = 0x100000
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; CHECK-NEXT: sete %al
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; CHECK-NEXT: retq
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%yy = and i32 %y, 30
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%d = lshr i32 1048576, %yy
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%and = and i32 %x, %d
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%r = icmp eq i32 %and, %d
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ret i1 %r
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}
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define i1 @pow2_srl_fail1(i32 %x, i32 %y) {
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; CHECK-LABEL: pow2_srl_fail1:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movl %esi, %ecx
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; CHECK-NEXT: andb $7, %cl
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; CHECK-NEXT: notl %edi
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; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
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; CHECK-NEXT: shll %cl, %edi
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; CHECK-NEXT: testl $1048577, %edi # imm = 0x100001
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; CHECK-NEXT: sete %al
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; CHECK-NEXT: retq
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%yy = and i32 %y, 7
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%d = lshr i32 1048577, %yy
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%and = and i32 %x, %d
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%r = icmp eq i32 %and, %d
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ret i1 %r
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}
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define i1 @pow2_rotl(i32 %x, i32 %y) {
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; CHECK-LABEL: pow2_rotl:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movl %esi, %ecx
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; CHECK-NEXT: movl $1048576, %eax # imm = 0x100000
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; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
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; CHECK-NEXT: roll %cl, %eax
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; CHECK-NEXT: testl %eax, %edi
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; CHECK-NEXT: setne %al
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; CHECK-NEXT: retq
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%d = call i32 @llvm.fshl.i32(i32 1048576, i32 1048576, i32 %y)
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%and = and i32 %x, %d
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%r = icmp eq i32 %and, %d
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ret i1 %r
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}
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define i1 @pow2_rotl_fail0(i32 %x, i32 %y) {
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; CHECK-LABEL: pow2_rotl_fail0:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movl %esi, %ecx
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; CHECK-NEXT: movl $1048576, %eax # imm = 0x100000
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; CHECK-NEXT: movl $512, %edx # imm = 0x200
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; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
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; CHECK-NEXT: shldl %cl, %eax, %edx
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; CHECK-NEXT: notl %edi
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; CHECK-NEXT: testl %edi, %edx
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; CHECK-NEXT: sete %al
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; CHECK-NEXT: retq
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%d = call i32 @llvm.fshl.i32(i32 512, i32 1048576, i32 %y)
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%and = and i32 %x, %d
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%r = icmp eq i32 %and, %d
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ret i1 %r
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}
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define i1 @pow2_rotl_fail1(i32 %x, i32 %y) {
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; CHECK-LABEL: pow2_rotl_fail1:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movl %esi, %ecx
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; CHECK-NEXT: movl $511, %eax # imm = 0x1FF
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; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
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; CHECK-NEXT: roll %cl, %eax
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; CHECK-NEXT: notl %edi
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; CHECK-NEXT: testl %edi, %eax
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; CHECK-NEXT: sete %al
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; CHECK-NEXT: retq
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%d = call i32 @llvm.fshl.i32(i32 511, i32 511, i32 %y)
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%and = and i32 %x, %d
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%r = icmp eq i32 %and, %d
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ret i1 %r
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}
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define i1 @pow2_rotr(i32 %x, i32 %y) {
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; CHECK-LABEL: pow2_rotr:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movl %esi, %ecx
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; CHECK-NEXT: movl $1048576, %eax # imm = 0x100000
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; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
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; CHECK-NEXT: rorl %cl, %eax
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; CHECK-NEXT: testl %eax, %edi
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; CHECK-NEXT: setne %al
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; CHECK-NEXT: retq
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%d = call i32 @llvm.fshr.i32(i32 1048576, i32 1048576, i32 %y)
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%and = and i32 %x, %d
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%r = icmp eq i32 %and, %d
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ret i1 %r
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}
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define i1 @pow2_rotr_fail0(i32 %x, i32 %y) {
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; CHECK-LABEL: pow2_rotr_fail0:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movl %esi, %ecx
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; CHECK-NEXT: movl $512, %eax # imm = 0x200
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; CHECK-NEXT: movl $1048576, %edx # imm = 0x100000
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; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
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; CHECK-NEXT: shrdl %cl, %eax, %edx
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; CHECK-NEXT: notl %edi
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; CHECK-NEXT: testl %edi, %edx
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; CHECK-NEXT: sete %al
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; CHECK-NEXT: retq
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%d = call i32 @llvm.fshr.i32(i32 512, i32 1048576, i32 %y)
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%and = and i32 %x, %d
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%r = icmp eq i32 %and, %d
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ret i1 %r
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}
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define i1 @pow2_rotr_fail1(i32 %x, i32 %y) {
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; CHECK-LABEL: pow2_rotr_fail1:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movl %esi, %ecx
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; CHECK-NEXT: movl $511, %eax # imm = 0x1FF
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; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
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; CHECK-NEXT: rorl %cl, %eax
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; CHECK-NEXT: notl %edi
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; CHECK-NEXT: testl %edi, %eax
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; CHECK-NEXT: sete %al
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; CHECK-NEXT: retq
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%d = call i32 @llvm.fshr.i32(i32 511, i32 511, i32 %y)
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%and = and i32 %x, %d
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%r = icmp eq i32 %and, %d
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ret i1 %r
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}
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define i1 @pow2_umin(i32 %x, i32 %y) {
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; CHECK-LABEL: pow2_umin:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movl %esi, %ecx
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; CHECK-NEXT: movl $1, %eax
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; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
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; CHECK-NEXT: shll %cl, %eax
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; CHECK-NEXT: cmpl $262144, %eax # imm = 0x40000
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; CHECK-NEXT: movl $262144, %ecx # imm = 0x40000
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; CHECK-NEXT: cmovbl %eax, %ecx
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; CHECK-NEXT: testl %ecx, %edi
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; CHECK-NEXT: setne %al
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; CHECK-NEXT: retq
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%yy = shl i32 1, %y
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%d = call i32 @llvm.umin.i32(i32 %yy, i32 262144)
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%and = and i32 %x, %d
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%r = icmp eq i32 %and, %d
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ret i1 %r
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}
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define i1 @pow2_umin_fail0(i32 %x, i32 %y) {
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; CHECK-LABEL: pow2_umin_fail0:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movl %esi, %ecx
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; CHECK-NEXT: movl $4, %eax
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; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
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; CHECK-NEXT: shll %cl, %eax
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; CHECK-NEXT: cmpl $262144, %eax # imm = 0x40000
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; CHECK-NEXT: movl $262144, %ecx # imm = 0x40000
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; CHECK-NEXT: cmovbl %eax, %ecx
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; CHECK-NEXT: notl %edi
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; CHECK-NEXT: testl %edi, %ecx
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; CHECK-NEXT: sete %al
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; CHECK-NEXT: retq
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%yy = shl i32 4, %y
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%d = call i32 @llvm.umin.i32(i32 %yy, i32 262144)
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%and = and i32 %x, %d
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%r = icmp eq i32 %and, %d
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ret i1 %r
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}
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define i1 @pow2_umin_fail1(i32 %x, i32 %y) {
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; CHECK-LABEL: pow2_umin_fail1:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movl %esi, %ecx
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; CHECK-NEXT: movl $1, %eax
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; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
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; CHECK-NEXT: shll %cl, %eax
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; CHECK-NEXT: cmpl $12345, %eax # imm = 0x3039
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; CHECK-NEXT: movl $12345, %ecx # imm = 0x3039
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; CHECK-NEXT: cmovbl %eax, %ecx
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; CHECK-NEXT: notl %edi
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; CHECK-NEXT: testl %edi, %ecx
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; CHECK-NEXT: sete %al
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; CHECK-NEXT: retq
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%yy = shl i32 1, %y
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%d = call i32 @llvm.umin.i32(i32 %yy, i32 12345)
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%and = and i32 %x, %d
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%r = icmp eq i32 %and, %d
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ret i1 %r
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}
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define i1 @pow2_umax(i32 %x, i32 %y, i32 %z) {
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; CHECK-LABEL: pow2_umax:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movl %esi, %ecx
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; CHECK-NEXT: movl $1, %eax
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; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
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; CHECK-NEXT: shll %cl, %eax
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; CHECK-NEXT: movl $-2147483648, %esi # imm = 0x80000000
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; CHECK-NEXT: movl %edx, %ecx
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; CHECK-NEXT: shrl %cl, %esi
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; CHECK-NEXT: cmpl %esi, %eax
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; CHECK-NEXT: cmoval %eax, %esi
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; CHECK-NEXT: testl %esi, %edi
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; CHECK-NEXT: setne %al
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; CHECK-NEXT: retq
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%yy = shl i32 1, %y
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%zz = lshr i32 2147483648, %z
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%d = call i32 @llvm.umax.i32(i32 %yy, i32 %zz)
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%and = and i32 %x, %d
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%r = icmp eq i32 %and, %d
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ret i1 %r
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}
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define i1 @pow2_umax_fail0(i32 %x, i32 %y, i32 %z) {
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; CHECK-LABEL: pow2_umax_fail0:
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||
|
; CHECK: # %bb.0:
|
||
|
; CHECK-NEXT: movl %esi, %ecx
|
||
|
; CHECK-NEXT: movl $1, %eax
|
||
|
; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
|
||
|
; CHECK-NEXT: shll %cl, %eax
|
||
|
; CHECK-NEXT: movl $1073741824, %esi # imm = 0x40000000
|
||
|
; CHECK-NEXT: movl %edx, %ecx
|
||
|
; CHECK-NEXT: shrl %cl, %esi
|
||
|
; CHECK-NEXT: cmpl %esi, %eax
|
||
|
; CHECK-NEXT: cmoval %eax, %esi
|
||
|
; CHECK-NEXT: notl %edi
|
||
|
; CHECK-NEXT: testl %edi, %esi
|
||
|
; CHECK-NEXT: sete %al
|
||
|
; CHECK-NEXT: retq
|
||
|
%yy = shl i32 1, %y
|
||
|
%zz = lshr i32 1073741824, %z
|
||
|
%d = call i32 @llvm.umax.i32(i32 %yy, i32 %zz)
|
||
|
%and = and i32 %x, %d
|
||
|
%r = icmp eq i32 %and, %d
|
||
|
ret i1 %r
|
||
|
}
|
||
|
|
||
|
define i1 @pow2_umax_fail1(i32 %x, i32 %y, i32 %z) {
|
||
|
; CHECK-LABEL: pow2_umax_fail1:
|
||
|
; CHECK: # %bb.0:
|
||
|
; CHECK-NEXT: movl %esi, %ecx
|
||
|
; CHECK-NEXT: movl $4, %eax
|
||
|
; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
|
||
|
; CHECK-NEXT: shll %cl, %eax
|
||
|
; CHECK-NEXT: movl $-2147483648, %esi # imm = 0x80000000
|
||
|
; CHECK-NEXT: movl %edx, %ecx
|
||
|
; CHECK-NEXT: shrl %cl, %esi
|
||
|
; CHECK-NEXT: cmpl %esi, %eax
|
||
|
; CHECK-NEXT: cmoval %eax, %esi
|
||
|
; CHECK-NEXT: notl %edi
|
||
|
; CHECK-NEXT: testl %edi, %esi
|
||
|
; CHECK-NEXT: sete %al
|
||
|
; CHECK-NEXT: retq
|
||
|
%yy = shl i32 4, %y
|
||
|
%zz = lshr i32 2147483648, %z
|
||
|
%d = call i32 @llvm.umax.i32(i32 %yy, i32 %zz)
|
||
|
%and = and i32 %x, %d
|
||
|
%r = icmp eq i32 %and, %d
|
||
|
ret i1 %r
|
||
|
}
|
||
|
|
||
|
define i1 @pow2_smin(i32 %x, i32 %y) {
|
||
|
; CHECK-LABEL: pow2_smin:
|
||
|
; CHECK: # %bb.0:
|
||
|
; CHECK-NEXT: movl %esi, %ecx
|
||
|
; CHECK-NEXT: movl $1, %eax
|
||
|
; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
|
||
|
; CHECK-NEXT: shll %cl, %eax
|
||
|
; CHECK-NEXT: cmpl $262144, %eax # imm = 0x40000
|
||
|
; CHECK-NEXT: movl $262144, %ecx # imm = 0x40000
|
||
|
; CHECK-NEXT: cmovll %eax, %ecx
|
||
|
; CHECK-NEXT: testl %ecx, %edi
|
||
|
; CHECK-NEXT: setne %al
|
||
|
; CHECK-NEXT: retq
|
||
|
%yy = shl i32 1, %y
|
||
|
%d = call i32 @llvm.smin.i32(i32 %yy, i32 262144)
|
||
|
%and = and i32 %x, %d
|
||
|
%r = icmp eq i32 %and, %d
|
||
|
ret i1 %r
|
||
|
}
|
||
|
|
||
|
define i1 @pow2_smin_fail0(i32 %x, i32 %y) {
|
||
|
; CHECK-LABEL: pow2_smin_fail0:
|
||
|
; CHECK: # %bb.0:
|
||
|
; CHECK-NEXT: movl %esi, %ecx
|
||
|
; CHECK-NEXT: movl $4, %eax
|
||
|
; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
|
||
|
; CHECK-NEXT: shll %cl, %eax
|
||
|
; CHECK-NEXT: cmpl $262144, %eax # imm = 0x40000
|
||
|
; CHECK-NEXT: movl $262144, %ecx # imm = 0x40000
|
||
|
; CHECK-NEXT: cmovll %eax, %ecx
|
||
|
; CHECK-NEXT: notl %edi
|
||
|
; CHECK-NEXT: testl %edi, %ecx
|
||
|
; CHECK-NEXT: sete %al
|
||
|
; CHECK-NEXT: retq
|
||
|
%yy = shl i32 4, %y
|
||
|
%d = call i32 @llvm.smin.i32(i32 %yy, i32 262144)
|
||
|
%and = and i32 %x, %d
|
||
|
%r = icmp eq i32 %and, %d
|
||
|
ret i1 %r
|
||
|
}
|
||
|
|
||
|
define i1 @pow2_smin_fail1(i32 %x, i32 %y) {
|
||
|
; CHECK-LABEL: pow2_smin_fail1:
|
||
|
; CHECK: # %bb.0:
|
||
|
; CHECK-NEXT: movl %esi, %ecx
|
||
|
; CHECK-NEXT: movl $1, %eax
|
||
|
; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
|
||
|
; CHECK-NEXT: shll %cl, %eax
|
||
|
; CHECK-NEXT: cmpl $12345, %eax # imm = 0x3039
|
||
|
; CHECK-NEXT: movl $12345, %ecx # imm = 0x3039
|
||
|
; CHECK-NEXT: cmovll %eax, %ecx
|
||
|
; CHECK-NEXT: notl %edi
|
||
|
; CHECK-NEXT: testl %edi, %ecx
|
||
|
; CHECK-NEXT: sete %al
|
||
|
; CHECK-NEXT: retq
|
||
|
%yy = shl i32 1, %y
|
||
|
%d = call i32 @llvm.smin.i32(i32 %yy, i32 12345)
|
||
|
%and = and i32 %x, %d
|
||
|
%r = icmp eq i32 %and, %d
|
||
|
ret i1 %r
|
||
|
}
|
||
|
|
||
|
define i1 @pow2_smax(i32 %x, i32 %y, i32 %z) {
|
||
|
; CHECK-LABEL: pow2_smax:
|
||
|
; CHECK: # %bb.0:
|
||
|
; CHECK-NEXT: movl %esi, %ecx
|
||
|
; CHECK-NEXT: movl $1, %eax
|
||
|
; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
|
||
|
; CHECK-NEXT: shll %cl, %eax
|
||
|
; CHECK-NEXT: movl $-2147483648, %esi # imm = 0x80000000
|
||
|
; CHECK-NEXT: movl %edx, %ecx
|
||
|
; CHECK-NEXT: shrl %cl, %esi
|
||
|
; CHECK-NEXT: cmpl %esi, %eax
|
||
|
; CHECK-NEXT: cmovgl %eax, %esi
|
||
|
; CHECK-NEXT: testl %esi, %edi
|
||
|
; CHECK-NEXT: setne %al
|
||
|
; CHECK-NEXT: retq
|
||
|
%yy = shl i32 1, %y
|
||
|
%zz = lshr i32 2147483648, %z
|
||
|
%d = call i32 @llvm.smax.i32(i32 %yy, i32 %zz)
|
||
|
%and = and i32 %x, %d
|
||
|
%r = icmp eq i32 %and, %d
|
||
|
ret i1 %r
|
||
|
}
|
||
|
|
||
|
define i1 @pow2_smax_fail0(i32 %x, i32 %y, i32 %z) {
|
||
|
; CHECK-LABEL: pow2_smax_fail0:
|
||
|
; CHECK: # %bb.0:
|
||
|
; CHECK-NEXT: movl %esi, %ecx
|
||
|
; CHECK-NEXT: movl $1, %eax
|
||
|
; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
|
||
|
; CHECK-NEXT: shll %cl, %eax
|
||
|
; CHECK-NEXT: movl $1073741824, %esi # imm = 0x40000000
|
||
|
; CHECK-NEXT: movl %edx, %ecx
|
||
|
; CHECK-NEXT: shrl %cl, %esi
|
||
|
; CHECK-NEXT: cmpl %esi, %eax
|
||
|
; CHECK-NEXT: cmovgl %eax, %esi
|
||
|
; CHECK-NEXT: notl %edi
|
||
|
; CHECK-NEXT: testl %edi, %esi
|
||
|
; CHECK-NEXT: sete %al
|
||
|
; CHECK-NEXT: retq
|
||
|
%yy = shl i32 1, %y
|
||
|
%zz = lshr i32 1073741824, %z
|
||
|
%d = call i32 @llvm.smax.i32(i32 %yy, i32 %zz)
|
||
|
%and = and i32 %x, %d
|
||
|
%r = icmp eq i32 %and, %d
|
||
|
ret i1 %r
|
||
|
}
|
||
|
|
||
|
define i1 @pow2_smax_fail1(i32 %x, i32 %y, i32 %z) {
|
||
|
; CHECK-LABEL: pow2_smax_fail1:
|
||
|
; CHECK: # %bb.0:
|
||
|
; CHECK-NEXT: movl %esi, %ecx
|
||
|
; CHECK-NEXT: movl $4, %eax
|
||
|
; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
|
||
|
; CHECK-NEXT: shll %cl, %eax
|
||
|
; CHECK-NEXT: movl $-2147483648, %esi # imm = 0x80000000
|
||
|
; CHECK-NEXT: movl %edx, %ecx
|
||
|
; CHECK-NEXT: shrl %cl, %esi
|
||
|
; CHECK-NEXT: cmpl %esi, %eax
|
||
|
; CHECK-NEXT: cmovgl %eax, %esi
|
||
|
; CHECK-NEXT: notl %edi
|
||
|
; CHECK-NEXT: testl %edi, %esi
|
||
|
; CHECK-NEXT: sete %al
|
||
|
; CHECK-NEXT: retq
|
||
|
%yy = shl i32 4, %y
|
||
|
%zz = lshr i32 2147483648, %z
|
||
|
%d = call i32 @llvm.smax.i32(i32 %yy, i32 %zz)
|
||
|
%and = and i32 %x, %d
|
||
|
%r = icmp eq i32 %and, %d
|
||
|
ret i1 %r
|
||
|
}
|
||
|
|
||
|
define i1 @pow2_select(i1 %c, i32 %x, i32 %y, i32 %z) {
|
||
|
; CHECK-LABEL: pow2_select:
|
||
|
; CHECK: # %bb.0:
|
||
|
; CHECK-NEXT: movl %ecx, %eax
|
||
|
; CHECK-NEXT: movl %edx, %ecx
|
||
|
; CHECK-NEXT: movl $1, %edx
|
||
|
; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
|
||
|
; CHECK-NEXT: shll %cl, %edx
|
||
|
; CHECK-NEXT: movl $-2147483648, %r8d # imm = 0x80000000
|
||
|
; CHECK-NEXT: movl %eax, %ecx
|
||
|
; CHECK-NEXT: shrl %cl, %r8d
|
||
|
; CHECK-NEXT: testb $1, %dil
|
||
|
; CHECK-NEXT: cmovnel %edx, %r8d
|
||
|
; CHECK-NEXT: testl %r8d, %esi
|
||
|
; CHECK-NEXT: setne %al
|
||
|
; CHECK-NEXT: retq
|
||
|
%yy = shl i32 1, %y
|
||
|
%zz = lshr i32 2147483648, %z
|
||
|
%d = select i1 %c, i32 %yy, i32 %zz
|
||
|
%and = and i32 %x, %d
|
||
|
%r = icmp eq i32 %and, %d
|
||
|
ret i1 %r
|
||
|
}
|
||
|
|
||
|
define i1 @pow2_select_fail0(i1 %c, i32 %x, i32 %y, i32 %z) {
|
||
|
; CHECK-LABEL: pow2_select_fail0:
|
||
|
; CHECK: # %bb.0:
|
||
|
; CHECK-NEXT: movl %ecx, %eax
|
||
|
; CHECK-NEXT: movl %edx, %ecx
|
||
|
; CHECK-NEXT: movl $1, %edx
|
||
|
; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
|
||
|
; CHECK-NEXT: shll %cl, %edx
|
||
|
; CHECK-NEXT: movl $1073741824, %r8d # imm = 0x40000000
|
||
|
; CHECK-NEXT: movl %eax, %ecx
|
||
|
; CHECK-NEXT: shrl %cl, %r8d
|
||
|
; CHECK-NEXT: testb $1, %dil
|
||
|
; CHECK-NEXT: cmovnel %edx, %r8d
|
||
|
; CHECK-NEXT: notl %esi
|
||
|
; CHECK-NEXT: testl %esi, %r8d
|
||
|
; CHECK-NEXT: sete %al
|
||
|
; CHECK-NEXT: retq
|
||
|
%yy = shl i32 1, %y
|
||
|
%zz = lshr i32 1073741824, %z
|
||
|
%d = select i1 %c, i32 %yy, i32 %zz
|
||
|
%and = and i32 %x, %d
|
||
|
%r = icmp eq i32 %and, %d
|
||
|
ret i1 %r
|
||
|
}
|
||
|
|
||
|
define i1 @pow2_select_fail2(i1 %c, i32 %x, i32 %y, i32 %z) {
|
||
|
; CHECK-LABEL: pow2_select_fail2:
|
||
|
; CHECK: # %bb.0:
|
||
|
; CHECK-NEXT: movl %ecx, %eax
|
||
|
; CHECK-NEXT: movl %edx, %ecx
|
||
|
; CHECK-NEXT: movl $4, %edx
|
||
|
; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
|
||
|
; CHECK-NEXT: shll %cl, %edx
|
||
|
; CHECK-NEXT: movl $-2147483648, %r8d # imm = 0x80000000
|
||
|
; CHECK-NEXT: movl %eax, %ecx
|
||
|
; CHECK-NEXT: shrl %cl, %r8d
|
||
|
; CHECK-NEXT: testb $1, %dil
|
||
|
; CHECK-NEXT: cmovnel %edx, %r8d
|
||
|
; CHECK-NEXT: notl %esi
|
||
|
; CHECK-NEXT: testl %esi, %r8d
|
||
|
; CHECK-NEXT: sete %al
|
||
|
; CHECK-NEXT: retq
|
||
|
%yy = shl i32 4, %y
|
||
|
%zz = lshr i32 2147483648, %z
|
||
|
%d = select i1 %c, i32 %yy, i32 %zz
|
||
|
%and = and i32 %x, %d
|
||
|
%r = icmp eq i32 %and, %d
|
||
|
ret i1 %r
|
||
|
}
|
||
|
|
||
|
define <4 x i1> @pow2_vselect_eq(<4 x i1> %c, <4 x i32> %x, <4 x i32> %y, <4 x i32> %z) {
|
||
|
; CHECK-LABEL: pow2_vselect_eq:
|
||
|
; CHECK: # %bb.0:
|
||
|
; CHECK-NEXT: pslld $31, %xmm0
|
||
|
; CHECK-NEXT: psrad $31, %xmm0
|
||
|
; CHECK-NEXT: pslld $23, %xmm2
|
||
|
; CHECK-NEXT: paddd {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm2
|
||
|
; CHECK-NEXT: cvttps2dq %xmm2, %xmm2
|
||
|
; CHECK-NEXT: pshuflw {{.*#+}} xmm4 = xmm3[2,3,3,3,4,5,6,7]
|
||
|
; CHECK-NEXT: movdqa {{.*#+}} xmm5 = [2147483648,2147483648,2147483648,2147483648]
|
||
|
; CHECK-NEXT: movdqa %xmm5, %xmm6
|
||
|
; CHECK-NEXT: psrld %xmm4, %xmm6
|
||
|
; CHECK-NEXT: pshuflw {{.*#+}} xmm4 = xmm3[0,1,1,1,4,5,6,7]
|
||
|
; CHECK-NEXT: movdqa %xmm5, %xmm7
|
||
|
; CHECK-NEXT: psrld %xmm4, %xmm7
|
||
|
; CHECK-NEXT: punpcklqdq {{.*#+}} xmm7 = xmm7[0],xmm6[0]
|
||
|
; CHECK-NEXT: pshufd {{.*#+}} xmm3 = xmm3[2,3,2,3]
|
||
|
; CHECK-NEXT: pshuflw {{.*#+}} xmm4 = xmm3[2,3,3,3,4,5,6,7]
|
||
|
; CHECK-NEXT: movdqa %xmm5, %xmm6
|
||
|
; CHECK-NEXT: psrld %xmm4, %xmm6
|
||
|
; CHECK-NEXT: pshuflw {{.*#+}} xmm3 = xmm3[0,1,1,1,4,5,6,7]
|
||
|
; CHECK-NEXT: psrld %xmm3, %xmm5
|
||
|
; CHECK-NEXT: punpckhqdq {{.*#+}} xmm5 = xmm5[1],xmm6[1]
|
||
|
; CHECK-NEXT: shufps {{.*#+}} xmm7 = xmm7[0,3],xmm5[0,3]
|
||
|
; CHECK-NEXT: pand %xmm0, %xmm2
|
||
|
; CHECK-NEXT: pandn %xmm7, %xmm0
|
||
|
; CHECK-NEXT: por %xmm2, %xmm0
|
||
|
; CHECK-NEXT: pand %xmm0, %xmm1
|
||
|
; CHECK-NEXT: pcmpeqd %xmm1, %xmm0
|
||
|
; CHECK-NEXT: retq
|
||
|
%yy = shl <4 x i32> <i32 1, i32 1, i32 1, i32 1>, %y
|
||
|
%zz = lshr <4 x i32> <i32 2147483648, i32 2147483648, i32 2147483648, i32 2147483648>, %z
|
||
|
%d = select <4 x i1> %c, <4 x i32> %yy, <4 x i32> %zz
|
||
|
%and = and <4 x i32> %x, %d
|
||
|
%r = icmp eq <4 x i32> %and, %d
|
||
|
ret <4 x i1> %r
|
||
|
}
|
||
|
|
||
|
define <4 x i1> @pow2_vselect_ne(<4 x i1> %c, <4 x i32> %x, <4 x i32> %y, <4 x i32> %z) {
|
||
|
; CHECK-LABEL: pow2_vselect_ne:
|
||
|
; CHECK: # %bb.0:
|
||
|
; CHECK-NEXT: pslld $31, %xmm0
|
||
|
; CHECK-NEXT: psrad $31, %xmm0
|
||
|
; CHECK-NEXT: pslld $23, %xmm2
|
||
|
; CHECK-NEXT: paddd {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm2
|
||
|
; CHECK-NEXT: cvttps2dq %xmm2, %xmm2
|
||
|
; CHECK-NEXT: pshuflw {{.*#+}} xmm4 = xmm3[2,3,3,3,4,5,6,7]
|
||
|
; CHECK-NEXT: movdqa {{.*#+}} xmm5 = [2147483648,2147483648,2147483648,2147483648]
|
||
|
; CHECK-NEXT: movdqa %xmm5, %xmm6
|
||
|
; CHECK-NEXT: psrld %xmm4, %xmm6
|
||
|
; CHECK-NEXT: pshuflw {{.*#+}} xmm4 = xmm3[0,1,1,1,4,5,6,7]
|
||
|
; CHECK-NEXT: movdqa %xmm5, %xmm7
|
||
|
; CHECK-NEXT: psrld %xmm4, %xmm7
|
||
|
; CHECK-NEXT: punpcklqdq {{.*#+}} xmm7 = xmm7[0],xmm6[0]
|
||
|
; CHECK-NEXT: pshufd {{.*#+}} xmm3 = xmm3[2,3,2,3]
|
||
|
; CHECK-NEXT: pshuflw {{.*#+}} xmm4 = xmm3[2,3,3,3,4,5,6,7]
|
||
|
; CHECK-NEXT: movdqa %xmm5, %xmm6
|
||
|
; CHECK-NEXT: psrld %xmm4, %xmm6
|
||
|
; CHECK-NEXT: pshuflw {{.*#+}} xmm3 = xmm3[0,1,1,1,4,5,6,7]
|
||
|
; CHECK-NEXT: psrld %xmm3, %xmm5
|
||
|
; CHECK-NEXT: punpckhqdq {{.*#+}} xmm5 = xmm5[1],xmm6[1]
|
||
|
; CHECK-NEXT: shufps {{.*#+}} xmm7 = xmm7[0,3],xmm5[0,3]
|
||
|
; CHECK-NEXT: pand %xmm0, %xmm2
|
||
|
; CHECK-NEXT: pandn %xmm7, %xmm0
|
||
|
; CHECK-NEXT: por %xmm2, %xmm0
|
||
|
; CHECK-NEXT: pand %xmm1, %xmm0
|
||
|
; CHECK-NEXT: pxor %xmm1, %xmm1
|
||
|
; CHECK-NEXT: pcmpeqd %xmm1, %xmm0
|
||
|
; CHECK-NEXT: retq
|
||
|
%yy = shl <4 x i32> <i32 1, i32 1, i32 1, i32 1>, %y
|
||
|
%zz = lshr <4 x i32> <i32 2147483648, i32 2147483648, i32 2147483648, i32 2147483648>, %z
|
||
|
%d = select <4 x i1> %c, <4 x i32> %yy, <4 x i32> %zz
|
||
|
%and = and <4 x i32> %x, %d
|
||
|
%r = icmp ne <4 x i32> %and, %d
|
||
|
ret <4 x i1> %r
|
||
|
}
|
||
|
|
||
|
define <4 x i1> @pow2_vselect_fail0_ne(<4 x i1> %c, <4 x i32> %x, <4 x i32> %y, <4 x i32> %z) {
|
||
|
; CHECK-LABEL: pow2_vselect_fail0_ne:
|
||
|
; CHECK: # %bb.0:
|
||
|
; CHECK-NEXT: pslld $31, %xmm0
|
||
|
; CHECK-NEXT: psrad $31, %xmm0
|
||
|
; CHECK-NEXT: pslld $23, %xmm2
|
||
|
; CHECK-NEXT: paddd {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm2
|
||
|
; CHECK-NEXT: cvttps2dq %xmm2, %xmm2
|
||
|
; CHECK-NEXT: pshuflw {{.*#+}} xmm4 = xmm3[2,3,3,3,4,5,6,7]
|
||
|
; CHECK-NEXT: movdqa {{.*#+}} xmm5 = [1073741824,1073741824,1073741824,1073741824]
|
||
|
; CHECK-NEXT: movdqa %xmm5, %xmm6
|
||
|
; CHECK-NEXT: psrld %xmm4, %xmm6
|
||
|
; CHECK-NEXT: pshuflw {{.*#+}} xmm4 = xmm3[0,1,1,1,4,5,6,7]
|
||
|
; CHECK-NEXT: movdqa %xmm5, %xmm7
|
||
|
; CHECK-NEXT: psrld %xmm4, %xmm7
|
||
|
; CHECK-NEXT: punpcklqdq {{.*#+}} xmm7 = xmm7[0],xmm6[0]
|
||
|
; CHECK-NEXT: pshufd {{.*#+}} xmm3 = xmm3[2,3,2,3]
|
||
|
; CHECK-NEXT: pshuflw {{.*#+}} xmm4 = xmm3[2,3,3,3,4,5,6,7]
|
||
|
; CHECK-NEXT: movdqa %xmm5, %xmm6
|
||
|
; CHECK-NEXT: psrld %xmm4, %xmm6
|
||
|
; CHECK-NEXT: pshuflw {{.*#+}} xmm3 = xmm3[0,1,1,1,4,5,6,7]
|
||
|
; CHECK-NEXT: psrld %xmm3, %xmm5
|
||
|
; CHECK-NEXT: punpckhqdq {{.*#+}} xmm5 = xmm5[1],xmm6[1]
|
||
|
; CHECK-NEXT: shufps {{.*#+}} xmm7 = xmm7[0,3],xmm5[0,3]
|
||
|
; CHECK-NEXT: pand %xmm0, %xmm2
|
||
|
; CHECK-NEXT: pandn %xmm7, %xmm0
|
||
|
; CHECK-NEXT: por %xmm2, %xmm0
|
||
|
; CHECK-NEXT: pcmpeqd %xmm2, %xmm2
|
||
|
; CHECK-NEXT: pand %xmm0, %xmm1
|
||
|
; CHECK-NEXT: pcmpeqd %xmm1, %xmm0
|
||
|
; CHECK-NEXT: pxor %xmm2, %xmm0
|
||
|
; CHECK-NEXT: retq
|
||
|
%yy = shl <4 x i32> <i32 1, i32 1, i32 1, i32 1>, %y
|
||
|
%zz = lshr <4 x i32> <i32 1073741824, i32 1073741824, i32 1073741824, i32 1073741824>, %z
|
||
|
%d = select <4 x i1> %c, <4 x i32> %yy, <4 x i32> %zz
|
||
|
%and = and <4 x i32> %x, %d
|
||
|
%r = icmp ne <4 x i32> %and, %d
|
||
|
ret <4 x i1> %r
|
||
|
}
|
||
|
|
||
|
define <4 x i1> @pow2_vselect_fail2_ne(<4 x i1> %c, <4 x i32> %x, <4 x i32> %y, <4 x i32> %z) {
|
||
|
; CHECK-LABEL: pow2_vselect_fail2_ne:
|
||
|
; CHECK: # %bb.0:
|
||
|
; CHECK-NEXT: pslld $31, %xmm0
|
||
|
; CHECK-NEXT: psrad $31, %xmm0
|
||
|
; CHECK-NEXT: pslld $23, %xmm2
|
||
|
; CHECK-NEXT: paddd {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm2
|
||
|
; CHECK-NEXT: cvttps2dq %xmm2, %xmm2
|
||
|
; CHECK-NEXT: movdqa {{.*#+}} xmm4 = [4,4,4,4]
|
||
|
; CHECK-NEXT: pshufd {{.*#+}} xmm5 = xmm2[1,1,3,3]
|
||
|
; CHECK-NEXT: pmuludq %xmm4, %xmm2
|
||
|
; CHECK-NEXT: pshufd {{.*#+}} xmm2 = xmm2[0,2,2,3]
|
||
|
; CHECK-NEXT: pmuludq %xmm4, %xmm5
|
||
|
; CHECK-NEXT: pshufd {{.*#+}} xmm4 = xmm5[0,2,2,3]
|
||
|
; CHECK-NEXT: punpckldq {{.*#+}} xmm2 = xmm2[0],xmm4[0],xmm2[1],xmm4[1]
|
||
|
; CHECK-NEXT: pshuflw {{.*#+}} xmm4 = xmm3[2,3,3,3,4,5,6,7]
|
||
|
; CHECK-NEXT: movdqa {{.*#+}} xmm5 = [2147483648,2147483648,2147483648,2147483648]
|
||
|
; CHECK-NEXT: movdqa %xmm5, %xmm6
|
||
|
; CHECK-NEXT: psrld %xmm4, %xmm6
|
||
|
; CHECK-NEXT: pshuflw {{.*#+}} xmm4 = xmm3[0,1,1,1,4,5,6,7]
|
||
|
; CHECK-NEXT: movdqa %xmm5, %xmm7
|
||
|
; CHECK-NEXT: psrld %xmm4, %xmm7
|
||
|
; CHECK-NEXT: punpcklqdq {{.*#+}} xmm7 = xmm7[0],xmm6[0]
|
||
|
; CHECK-NEXT: pshufd {{.*#+}} xmm3 = xmm3[2,3,2,3]
|
||
|
; CHECK-NEXT: pshuflw {{.*#+}} xmm4 = xmm3[2,3,3,3,4,5,6,7]
|
||
|
; CHECK-NEXT: movdqa %xmm5, %xmm6
|
||
|
; CHECK-NEXT: psrld %xmm4, %xmm6
|
||
|
; CHECK-NEXT: pshuflw {{.*#+}} xmm3 = xmm3[0,1,1,1,4,5,6,7]
|
||
|
; CHECK-NEXT: psrld %xmm3, %xmm5
|
||
|
; CHECK-NEXT: punpckhqdq {{.*#+}} xmm5 = xmm5[1],xmm6[1]
|
||
|
; CHECK-NEXT: shufps {{.*#+}} xmm7 = xmm7[0,3],xmm5[0,3]
|
||
|
; CHECK-NEXT: pand %xmm0, %xmm2
|
||
|
; CHECK-NEXT: pandn %xmm7, %xmm0
|
||
|
; CHECK-NEXT: por %xmm2, %xmm0
|
||
|
; CHECK-NEXT: pcmpeqd %xmm2, %xmm2
|
||
|
; CHECK-NEXT: pand %xmm0, %xmm1
|
||
|
; CHECK-NEXT: pcmpeqd %xmm1, %xmm0
|
||
|
; CHECK-NEXT: pxor %xmm2, %xmm0
|
||
|
; CHECK-NEXT: retq
|
||
|
%yy = shl <4 x i32> <i32 4, i32 4, i32 4, i32 4>, %y
|
||
|
%zz = lshr <4 x i32> <i32 2147483648, i32 2147483648, i32 2147483648, i32 2147483648>, %z
|
||
|
%d = select <4 x i1> %c, <4 x i32> %yy, <4 x i32> %zz
|
||
|
%and = and <4 x i32> %x, %d
|
||
|
%r = icmp ne <4 x i32> %and, %d
|
||
|
ret <4 x i1> %r
|
||
|
}
|
||
|
|
||
|
define i1 @pow2_and(i32 %x, i32 %y) {
|
||
|
; CHECK-LABEL: pow2_and:
|
||
|
; CHECK: # %bb.0:
|
||
|
; CHECK-NEXT: movl %esi, %ecx
|
||
|
; CHECK-NEXT: movl $4, %eax
|
||
|
; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
|
||
|
; CHECK-NEXT: shll %cl, %eax
|
||
|
; CHECK-NEXT: movl %eax, %ecx
|
||
|
; CHECK-NEXT: negl %ecx
|
||
|
; CHECK-NEXT: andl %eax, %ecx
|
||
|
; CHECK-NEXT: testl %ecx, %edi
|
||
|
; CHECK-NEXT: setne %al
|
||
|
; CHECK-NEXT: retq
|
||
|
%yy = shl nuw nsw i32 4, %y
|
||
|
%nyy = sub i32 0, %yy
|
||
|
%d = and i32 %yy, %nyy
|
||
|
%and = and i32 %x, %d
|
||
|
%r = icmp eq i32 %and, %d
|
||
|
ret i1 %r
|
||
|
}
|
||
|
|
||
|
define i1 @pow2_and_fail0(i32 %x, i32 %y) {
|
||
|
; CHECK-LABEL: pow2_and_fail0:
|
||
|
; CHECK: # %bb.0:
|
||
|
; CHECK-NEXT: movl %esi, %ecx
|
||
|
; CHECK-NEXT: movl $4, %eax
|
||
|
; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
|
||
|
; CHECK-NEXT: shll %cl, %eax
|
||
|
; CHECK-NEXT: movl %eax, %ecx
|
||
|
; CHECK-NEXT: negl %ecx
|
||
|
; CHECK-NEXT: andl %eax, %ecx
|
||
|
; CHECK-NEXT: notl %edi
|
||
|
; CHECK-NEXT: testl %edi, %ecx
|
||
|
; CHECK-NEXT: sete %al
|
||
|
; CHECK-NEXT: retq
|
||
|
%yy = shl i32 4, %y
|
||
|
%nyy = sub i32 0, %yy
|
||
|
%d = and i32 %yy, %nyy
|
||
|
%and = and i32 %x, %d
|
||
|
%r = icmp eq i32 %and, %d
|
||
|
ret i1 %r
|
||
|
}
|
||
|
|
||
|
define i1 @pow2_and_fail1(i32 %x, i32 %y) {
|
||
|
; CHECK-LABEL: pow2_and_fail1:
|
||
|
; CHECK: # %bb.0:
|
||
|
; CHECK-NEXT: movl %esi, %ecx
|
||
|
; CHECK-NEXT: movl $1, %eax
|
||
|
; CHECK-NEXT: movl $1, %edx
|
||
|
; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
|
||
|
; CHECK-NEXT: shll %cl, %edx
|
||
|
; CHECK-NEXT: subl %edx, %eax
|
||
|
; CHECK-NEXT: andl %edx, %eax
|
||
|
; CHECK-NEXT: notl %edi
|
||
|
; CHECK-NEXT: testl %edi, %eax
|
||
|
; CHECK-NEXT: sete %al
|
||
|
; CHECK-NEXT: retq
|
||
|
%yy = shl i32 1, %y
|
||
|
%nyy = sub i32 1, %yy
|
||
|
%d = and i32 %yy, %nyy
|
||
|
%and = and i32 %x, %d
|
||
|
%r = icmp eq i32 %and, %d
|
||
|
ret i1 %r
|
||
|
}
|
||
|
|
||
|
define i1 @pow2_and_fail2(i32 %x, i32 %y, i32 %z) {
|
||
|
; CHECK-LABEL: pow2_and_fail2:
|
||
|
; CHECK: # %bb.0:
|
||
|
; CHECK-NEXT: movl %esi, %ecx
|
||
|
; CHECK-NEXT: movl $1, %eax
|
||
|
; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
|
||
|
; CHECK-NEXT: shll %cl, %eax
|
||
|
; CHECK-NEXT: andl %edx, %eax
|
||
|
; CHECK-NEXT: notl %edi
|
||
|
; CHECK-NEXT: testl %edi, %eax
|
||
|
; CHECK-NEXT: sete %al
|
||
|
; CHECK-NEXT: retq
|
||
|
%yy = shl i32 1, %y
|
||
|
%d = and i32 %yy, %z
|
||
|
%and = and i32 %x, %d
|
||
|
%r = icmp eq i32 %and, %d
|
||
|
ret i1 %r
|
||
|
}
|
||
|
|
||
|
define i1 @pow2_though_zext(i32 %x, i16 %y) {
|
||
|
; CHECK-LABEL: pow2_though_zext:
|
||
|
; CHECK: # %bb.0:
|
||
|
; CHECK-NEXT: movl %esi, %ecx
|
||
|
; CHECK-NEXT: movl $4, %eax
|
||
|
; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
|
||
|
; CHECK-NEXT: shll %cl, %eax
|
||
|
; CHECK-NEXT: andl %edi, %eax
|
||
|
; CHECK-NEXT: testl $65535, %eax # imm = 0xFFFF
|
||
|
; CHECK-NEXT: setne %al
|
||
|
; CHECK-NEXT: retq
|
||
|
%dd = shl nuw nsw i16 4, %y
|
||
|
%d = zext i16 %dd to i32
|
||
|
%and = and i32 %x, %d
|
||
|
%r = icmp eq i32 %and, %d
|
||
|
ret i1 %r
|
||
|
}
|