87 lines
2.6 KiB
LLVM
87 lines
2.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
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; RUN: llc < %s -mtriple=i686-apple-darwin | FileCheck -check-prefix=DARWIN %s
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; RUN: opt < %s -O2 | llc -mtriple=x86_64-apple-darwin | FileCheck -check-prefix=DARWIN-OPT %s
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define i64 @or_and_fold(i64 %x, i64 %y) {
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; DARWIN-LABEL: or_and_fold:
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; DARWIN: ## %bb.0:
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; DARWIN-NEXT: movl {{[0-9]+}}(%esp), %eax
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; DARWIN-NEXT: movl {{[0-9]+}}(%esp), %edx
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; DARWIN-NEXT: retl
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;
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; DARWIN-OPT-LABEL: or_and_fold:
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; DARWIN-OPT: ## %bb.0:
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; DARWIN-OPT-NEXT: movq %rdi, %rax
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; DARWIN-OPT-NEXT: retq
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%and = and i64 %x, %y
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%or = or i64 %x, %and
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ret i64 %or
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}
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define i32 @or_and_trunc_fold(i64 %x, i64 %y) {
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; DARWIN-LABEL: or_and_trunc_fold:
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; DARWIN: ## %bb.0:
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; DARWIN-NEXT: movl {{[0-9]+}}(%esp), %eax
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; DARWIN-NEXT: retl
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;
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; DARWIN-OPT-LABEL: or_and_trunc_fold:
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; DARWIN-OPT: ## %bb.0:
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; DARWIN-OPT-NEXT: movq %rdi, %rax
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; DARWIN-OPT-NEXT: ## kill: def $eax killed $eax killed $rax
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; DARWIN-OPT-NEXT: retq
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%tx = trunc i64 %x to i32
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%and = and i64 %x, %y
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%tand = trunc i64 %and to i32
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%or = or i32 %tx, %tand
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ret i32 %or
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}
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; The dag combiner should fold together (x&127)|(y&16711680) -> (x|y)&c1
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; in this case.
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define i32 @test1(i32 %x, i16 %y) {
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; DARWIN-LABEL: test1:
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; DARWIN: ## %bb.0:
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; DARWIN-NEXT: movzwl {{[0-9]+}}(%esp), %ecx
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; DARWIN-NEXT: movl {{[0-9]+}}(%esp), %eax
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; DARWIN-NEXT: shll $16, %eax
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; DARWIN-NEXT: orl %ecx, %eax
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; DARWIN-NEXT: andl $16711807, %eax ## imm = 0xFF007F
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; DARWIN-NEXT: retl
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;
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; DARWIN-OPT-LABEL: test1:
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; DARWIN-OPT: ## %bb.0:
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; DARWIN-OPT-NEXT: andl $127, %esi
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; DARWIN-OPT-NEXT: movzbl %dil, %eax
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; DARWIN-OPT-NEXT: shll $16, %eax
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; DARWIN-OPT-NEXT: orl %esi, %eax
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; DARWIN-OPT-NEXT: retq
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%tmp1 = zext i16 %y to i32
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%tmp2 = and i32 %tmp1, 127
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%tmp4 = shl i32 %x, 16
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%tmp5 = and i32 %tmp4, 16711680
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%tmp6 = or i32 %tmp2, %tmp5
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ret i32 %tmp6
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}
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; <rdar://problem/7529774> The optimizer shouldn't fold this into (and (or, C), D)
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; if (C & D) == 0
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define i64 @test2(i64 %x) nounwind readnone ssp {
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; DARWIN-LABEL: test2:
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; DARWIN: ## %bb.0: ## %entry
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; DARWIN-NEXT: movl {{[0-9]+}}(%esp), %eax
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; DARWIN-NEXT: orl $3, %eax
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; DARWIN-NEXT: andl $123127, %eax ## imm = 0x1E0F7
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; DARWIN-NEXT: xorl %edx, %edx
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; DARWIN-NEXT: retl
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;
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; DARWIN-OPT-LABEL: test2:
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; DARWIN-OPT: ## %bb.0: ## %entry
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; DARWIN-OPT-NEXT: andl $123124, %edi ## imm = 0x1E0F4
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; DARWIN-OPT-NEXT: leaq 3(%rdi), %rax
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; DARWIN-OPT-NEXT: retq
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entry:
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%tmp1 = and i64 %x, 123127
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%tmp2 = or i64 %tmp1, 3
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ret i64 %tmp2
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}
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