624 lines
20 KiB
LLVM
624 lines
20 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+ndd -verify-machineinstrs --show-mc-encoding | FileCheck %s
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define i8 @sub8rr(i8 noundef %a, i8 noundef %b) {
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; CHECK-LABEL: sub8rr:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: subb %sil, %dil, %al # encoding: [0x62,0xf4,0x7c,0x18,0x28,0xf7]
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; CHECK-NEXT: retq # encoding: [0xc3]
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entry:
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%sub = sub i8 %a, %b
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ret i8 %sub
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}
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define i16 @sub16rr(i16 noundef %a, i16 noundef %b) {
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; CHECK-LABEL: sub16rr:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: subl %esi, %edi, %eax # encoding: [0x62,0xf4,0x7c,0x18,0x29,0xf7]
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; CHECK-NEXT: # kill: def $ax killed $ax killed $eax
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; CHECK-NEXT: retq # encoding: [0xc3]
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entry:
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%sub = sub i16 %a, %b
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ret i16 %sub
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}
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define i32 @sub32rr(i32 noundef %a, i32 noundef %b) {
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; CHECK-LABEL: sub32rr:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: subl %esi, %edi, %eax # encoding: [0x62,0xf4,0x7c,0x18,0x29,0xf7]
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; CHECK-NEXT: retq # encoding: [0xc3]
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entry:
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%sub = sub i32 %a, %b
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ret i32 %sub
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}
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define i64 @sub64rr(i64 noundef %a, i64 noundef %b) {
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; CHECK-LABEL: sub64rr:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: subq %rsi, %rdi, %rax # encoding: [0x62,0xf4,0xfc,0x18,0x29,0xf7]
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; CHECK-NEXT: retq # encoding: [0xc3]
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entry:
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%sub = sub i64 %a, %b
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ret i64 %sub
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}
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define i8 @sub8rm(i8 noundef %a, ptr %ptr) {
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; CHECK-LABEL: sub8rm:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: subb (%rsi), %dil, %al # encoding: [0x62,0xf4,0x7c,0x18,0x2a,0x3e]
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; CHECK-NEXT: retq # encoding: [0xc3]
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entry:
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%b = load i8, ptr %ptr
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%sub = sub i8 %a, %b
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ret i8 %sub
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}
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define i16 @sub16rm(i16 noundef %a, ptr %ptr) {
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; CHECK-LABEL: sub16rm:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: subw (%rsi), %di, %ax # encoding: [0x62,0xf4,0x7d,0x18,0x2b,0x3e]
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; CHECK-NEXT: retq # encoding: [0xc3]
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entry:
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%b = load i16, ptr %ptr
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%sub = sub i16 %a, %b
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ret i16 %sub
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}
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define i32 @sub32rm(i32 noundef %a, ptr %ptr) {
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; CHECK-LABEL: sub32rm:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: subl (%rsi), %edi, %eax # encoding: [0x62,0xf4,0x7c,0x18,0x2b,0x3e]
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; CHECK-NEXT: retq # encoding: [0xc3]
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entry:
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%b = load i32, ptr %ptr
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%sub = sub i32 %a, %b
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ret i32 %sub
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}
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define i64 @sub64rm(i64 noundef %a, ptr %ptr) {
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; CHECK-LABEL: sub64rm:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: subq (%rsi), %rdi, %rax # encoding: [0x62,0xf4,0xfc,0x18,0x2b,0x3e]
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; CHECK-NEXT: retq # encoding: [0xc3]
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entry:
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%b = load i64, ptr %ptr
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%sub = sub i64 %a, %b
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ret i64 %sub
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}
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define i16 @sub16ri8(i16 noundef %a) {
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; CHECK-LABEL: sub16ri8:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: addl $-123, %edi, %eax # encoding: [0x62,0xf4,0x7c,0x18,0x81,0xc7,0x85,0xff,0xff,0xff]
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; CHECK-NEXT: # kill: def $ax killed $ax killed $eax
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; CHECK-NEXT: retq # encoding: [0xc3]
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entry:
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%sub = sub i16 %a, 123
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ret i16 %sub
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}
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define i32 @sub32ri8(i32 noundef %a) {
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; CHECK-LABEL: sub32ri8:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: addl $-123, %edi, %eax # encoding: [0x62,0xf4,0x7c,0x18,0x81,0xc7,0x85,0xff,0xff,0xff]
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; CHECK-NEXT: retq # encoding: [0xc3]
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entry:
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%sub = sub i32 %a, 123
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ret i32 %sub
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}
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define i64 @sub64ri8(i64 noundef %a) {
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; CHECK-LABEL: sub64ri8:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: addq $-123, %rdi, %rax # encoding: [0x62,0xf4,0xfc,0x18,0x81,0xc7,0x85,0xff,0xff,0xff]
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; CHECK-NEXT: retq # encoding: [0xc3]
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entry:
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%sub = sub i64 %a, 123
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ret i64 %sub
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}
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define i8 @sub8ri(i8 noundef %a) {
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; CHECK-LABEL: sub8ri:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: addb $-123, %dil, %al # encoding: [0x62,0xf4,0x7c,0x18,0x80,0xc7,0x85]
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; CHECK-NEXT: retq # encoding: [0xc3]
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entry:
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%sub = sub i8 %a, 123
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ret i8 %sub
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}
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define i16 @sub16ri(i16 noundef %a) {
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; CHECK-LABEL: sub16ri:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: addl $-1234, %edi, %eax # encoding: [0x62,0xf4,0x7c,0x18,0x81,0xc7,0x2e,0xfb,0xff,0xff]
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; CHECK-NEXT: # imm = 0xFB2E
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; CHECK-NEXT: # kill: def $ax killed $ax killed $eax
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; CHECK-NEXT: retq # encoding: [0xc3]
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entry:
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%sub = sub i16 %a, 1234
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ret i16 %sub
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}
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define i32 @sub32ri(i32 noundef %a) {
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; CHECK-LABEL: sub32ri:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: addl $-123456, %edi, %eax # encoding: [0x62,0xf4,0x7c,0x18,0x81,0xc7,0xc0,0x1d,0xfe,0xff]
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; CHECK-NEXT: # imm = 0xFFFE1DC0
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; CHECK-NEXT: retq # encoding: [0xc3]
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entry:
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%sub = sub i32 %a, 123456
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ret i32 %sub
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}
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define i64 @sub64ri(i64 noundef %a) {
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; CHECK-LABEL: sub64ri:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: addq $-123456, %rdi, %rax # encoding: [0x62,0xf4,0xfc,0x18,0x81,0xc7,0xc0,0x1d,0xfe,0xff]
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; CHECK-NEXT: # imm = 0xFFFE1DC0
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; CHECK-NEXT: retq # encoding: [0xc3]
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entry:
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%sub = sub i64 %a, 123456
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ret i64 %sub
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}
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define i8 @sub8mr(ptr %a, i8 noundef %b) {
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; CHECK-LABEL: sub8mr:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: subb %sil, (%rdi), %al # encoding: [0x62,0xf4,0x7c,0x18,0x28,0x37]
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; CHECK-NEXT: retq # encoding: [0xc3]
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entry:
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%t= load i8, ptr %a
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%sub = sub nsw i8 %t, %b
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ret i8 %sub
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}
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define i16 @sub16mr(ptr %a, i16 noundef %b) {
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; CHECK-LABEL: sub16mr:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: movzwl (%rdi), %eax # encoding: [0x0f,0xb7,0x07]
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; CHECK-NEXT: subl %esi, %eax # EVEX TO LEGACY Compression encoding: [0x29,0xf0]
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; CHECK-NEXT: # kill: def $ax killed $ax killed $eax
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; CHECK-NEXT: retq # encoding: [0xc3]
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entry:
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%t= load i16, ptr %a
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%sub = sub nsw i16 %t, %b
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ret i16 %sub
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}
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define i32 @sub32mr(ptr %a, i32 noundef %b) {
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; CHECK-LABEL: sub32mr:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: subl %esi, (%rdi), %eax # encoding: [0x62,0xf4,0x7c,0x18,0x29,0x37]
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; CHECK-NEXT: retq # encoding: [0xc3]
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entry:
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%t= load i32, ptr %a
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%sub = sub nsw i32 %t, %b
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ret i32 %sub
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}
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define i64 @sub64mr(ptr %a, i64 noundef %b) {
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; CHECK-LABEL: sub64mr:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: subq %rsi, (%rdi), %rax # encoding: [0x62,0xf4,0xfc,0x18,0x29,0x37]
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; CHECK-NEXT: retq # encoding: [0xc3]
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entry:
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%t= load i64, ptr %a
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%sub = sub nsw i64 %t, %b
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ret i64 %sub
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}
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define i16 @sub16mi8(ptr %a) {
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; CHECK-LABEL: sub16mi8:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: movzwl (%rdi), %eax # encoding: [0x0f,0xb7,0x07]
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; CHECK-NEXT: addl $-123, %eax # EVEX TO LEGACY Compression encoding: [0x83,0xc0,0x85]
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; CHECK-NEXT: # kill: def $ax killed $ax killed $eax
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; CHECK-NEXT: retq # encoding: [0xc3]
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entry:
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%t= load i16, ptr %a
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%sub = sub nsw i16 %t, 123
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ret i16 %sub
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}
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define i32 @sub32mi8(ptr %a) {
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; CHECK-LABEL: sub32mi8:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: addl $-123, (%rdi), %eax # encoding: [0x62,0xf4,0x7c,0x18,0x81,0x07,0x85,0xff,0xff,0xff]
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; CHECK-NEXT: retq # encoding: [0xc3]
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entry:
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%t= load i32, ptr %a
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%sub = sub nsw i32 %t, 123
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ret i32 %sub
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}
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define i64 @sub64mi8(ptr %a) {
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; CHECK-LABEL: sub64mi8:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: addq $-123, (%rdi), %rax # encoding: [0x62,0xf4,0xfc,0x18,0x81,0x07,0x85,0xff,0xff,0xff]
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; CHECK-NEXT: retq # encoding: [0xc3]
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entry:
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%t= load i64, ptr %a
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%sub = sub nsw i64 %t, 123
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ret i64 %sub
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}
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define i8 @sub8mi(ptr %a) {
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; CHECK-LABEL: sub8mi:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: addb $-123, (%rdi), %al # encoding: [0x62,0xf4,0x7c,0x18,0x80,0x07,0x85]
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; CHECK-NEXT: retq # encoding: [0xc3]
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entry:
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%t= load i8, ptr %a
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%sub = sub nsw i8 %t, 123
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ret i8 %sub
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}
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define i16 @sub16mi(ptr %a) {
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; CHECK-LABEL: sub16mi:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: movzwl (%rdi), %eax # encoding: [0x0f,0xb7,0x07]
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; CHECK-NEXT: addl $-1234, %eax # EVEX TO LEGACY Compression encoding: [0x05,0x2e,0xfb,0xff,0xff]
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; CHECK-NEXT: # imm = 0xFB2E
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; CHECK-NEXT: # kill: def $ax killed $ax killed $eax
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; CHECK-NEXT: retq # encoding: [0xc3]
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entry:
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%t= load i16, ptr %a
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%sub = sub nsw i16 %t, 1234
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ret i16 %sub
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}
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define i32 @sub32mi(ptr %a) {
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; CHECK-LABEL: sub32mi:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: addl $-123456, (%rdi), %eax # encoding: [0x62,0xf4,0x7c,0x18,0x81,0x07,0xc0,0x1d,0xfe,0xff]
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; CHECK-NEXT: # imm = 0xFFFE1DC0
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; CHECK-NEXT: retq # encoding: [0xc3]
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entry:
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%t= load i32, ptr %a
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%sub = sub nsw i32 %t, 123456
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ret i32 %sub
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}
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define i64 @sub64mi(ptr %a) {
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; CHECK-LABEL: sub64mi:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: addq $-123456, (%rdi), %rax # encoding: [0x62,0xf4,0xfc,0x18,0x81,0x07,0xc0,0x1d,0xfe,0xff]
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; CHECK-NEXT: # imm = 0xFFFE1DC0
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; CHECK-NEXT: retq # encoding: [0xc3]
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entry:
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%t= load i64, ptr %a
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%sub = sub nsw i64 %t, 123456
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ret i64 %sub
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}
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declare i8 @llvm.usub.sat.i8(i8, i8)
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declare i16 @llvm.usub.sat.i16(i16, i16)
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declare i32 @llvm.usub.sat.i32(i32, i32)
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declare i64 @llvm.usub.sat.i64(i64, i64)
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define i8 @subflag8rr(i8 noundef %a, i8 noundef %b) {
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; CHECK-LABEL: subflag8rr:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: xorl %ecx, %ecx # encoding: [0x31,0xc9]
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; CHECK-NEXT: subb %sil, %dil, %al # encoding: [0x62,0xf4,0x7c,0x18,0x28,0xf7]
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; CHECK-NEXT: movzbl %al, %eax # encoding: [0x0f,0xb6,0xc0]
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; CHECK-NEXT: cmovbl %ecx, %eax # encoding: [0x0f,0x42,0xc1]
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; CHECK-NEXT: # kill: def $al killed $al killed $eax
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; CHECK-NEXT: retq # encoding: [0xc3]
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entry:
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%sub = call i8 @llvm.usub.sat.i8(i8 %a, i8 %b)
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ret i8 %sub
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}
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define i16 @subflag16rr(i16 noundef %a, i16 noundef %b) {
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; CHECK-LABEL: subflag16rr:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: xorl %ecx, %ecx # encoding: [0x31,0xc9]
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; CHECK-NEXT: subw %si, %di, %ax # encoding: [0x62,0xf4,0x7d,0x18,0x29,0xf7]
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; CHECK-NEXT: cmovbl %ecx, %eax # encoding: [0x0f,0x42,0xc1]
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; CHECK-NEXT: # kill: def $ax killed $ax killed $eax
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; CHECK-NEXT: retq # encoding: [0xc3]
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entry:
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%sub = call i16 @llvm.usub.sat.i16(i16 %a, i16 %b)
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ret i16 %sub
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}
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define i32 @subflag32rr(i32 noundef %a, i32 noundef %b) {
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; CHECK-LABEL: subflag32rr:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: xorl %ecx, %ecx # encoding: [0x31,0xc9]
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; CHECK-NEXT: subl %esi, %edi, %eax # encoding: [0x62,0xf4,0x7c,0x18,0x29,0xf7]
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; CHECK-NEXT: cmovbl %ecx, %eax # encoding: [0x0f,0x42,0xc1]
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; CHECK-NEXT: retq # encoding: [0xc3]
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entry:
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%sub = call i32 @llvm.usub.sat.i32(i32 %a, i32 %b)
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ret i32 %sub
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}
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define i64 @subflag64rr(i64 noundef %a, i64 noundef %b) {
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; CHECK-LABEL: subflag64rr:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0]
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; CHECK-NEXT: subq %rsi, %rdi, %rcx # encoding: [0x62,0xf4,0xf4,0x18,0x29,0xf7]
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; CHECK-NEXT: cmovaeq %rcx, %rax # encoding: [0x48,0x0f,0x43,0xc1]
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; CHECK-NEXT: retq # encoding: [0xc3]
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entry:
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%sub = call i64 @llvm.usub.sat.i64(i64 %a, i64 %b)
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ret i64 %sub
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}
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define i8 @subflag8rm(i8 noundef %a, ptr %b) {
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; CHECK-LABEL: subflag8rm:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: xorl %ecx, %ecx # encoding: [0x31,0xc9]
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; CHECK-NEXT: subb (%rsi), %dil, %al # encoding: [0x62,0xf4,0x7c,0x18,0x2a,0x3e]
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; CHECK-NEXT: movzbl %al, %eax # encoding: [0x0f,0xb6,0xc0]
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; CHECK-NEXT: cmovbl %ecx, %eax # encoding: [0x0f,0x42,0xc1]
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; CHECK-NEXT: # kill: def $al killed $al killed $eax
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; CHECK-NEXT: retq # encoding: [0xc3]
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entry:
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%t = load i8, ptr %b
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%sub = call i8 @llvm.usub.sat.i8(i8 %a, i8 %t)
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ret i8 %sub
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}
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define i16 @subflag16rm(i16 noundef %a, ptr %b) {
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; CHECK-LABEL: subflag16rm:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: xorl %ecx, %ecx # encoding: [0x31,0xc9]
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; CHECK-NEXT: subw (%rsi), %di, %ax # encoding: [0x62,0xf4,0x7d,0x18,0x2b,0x3e]
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; CHECK-NEXT: cmovbl %ecx, %eax # encoding: [0x0f,0x42,0xc1]
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; CHECK-NEXT: # kill: def $ax killed $ax killed $eax
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; CHECK-NEXT: retq # encoding: [0xc3]
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entry:
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%t = load i16, ptr %b
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%sub = call i16 @llvm.usub.sat.i16(i16 %a, i16 %t)
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ret i16 %sub
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}
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define i32 @subflag32rm(i32 noundef %a, ptr %b) {
|
|
; CHECK-LABEL: subflag32rm:
|
|
; CHECK: # %bb.0: # %entry
|
|
; CHECK-NEXT: xorl %ecx, %ecx # encoding: [0x31,0xc9]
|
|
; CHECK-NEXT: subl (%rsi), %edi, %eax # encoding: [0x62,0xf4,0x7c,0x18,0x2b,0x3e]
|
|
; CHECK-NEXT: cmovbl %ecx, %eax # encoding: [0x0f,0x42,0xc1]
|
|
; CHECK-NEXT: retq # encoding: [0xc3]
|
|
entry:
|
|
%t = load i32, ptr %b
|
|
%sub = call i32 @llvm.usub.sat.i32(i32 %a, i32 %t)
|
|
ret i32 %sub
|
|
}
|
|
|
|
define i64 @subflag64rm(i64 noundef %a, ptr %b) {
|
|
; CHECK-LABEL: subflag64rm:
|
|
; CHECK: # %bb.0: # %entry
|
|
; CHECK-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0]
|
|
; CHECK-NEXT: subq (%rsi), %rdi, %rcx # encoding: [0x62,0xf4,0xf4,0x18,0x2b,0x3e]
|
|
; CHECK-NEXT: cmovaeq %rcx, %rax # encoding: [0x48,0x0f,0x43,0xc1]
|
|
; CHECK-NEXT: retq # encoding: [0xc3]
|
|
entry:
|
|
%t = load i64, ptr %b
|
|
%sub = call i64 @llvm.usub.sat.i64(i64 %a, i64 %t)
|
|
ret i64 %sub
|
|
}
|
|
|
|
define i16 @subflag16ri8(i16 noundef %a) {
|
|
; CHECK-LABEL: subflag16ri8:
|
|
; CHECK: # %bb.0: # %entry
|
|
; CHECK-NEXT: xorl %ecx, %ecx # encoding: [0x31,0xc9]
|
|
; CHECK-NEXT: subw $123, %di, %ax # encoding: [0x62,0xf4,0x7d,0x18,0x81,0xef,0x7b,0x00]
|
|
; CHECK-NEXT: cmovbl %ecx, %eax # encoding: [0x0f,0x42,0xc1]
|
|
; CHECK-NEXT: # kill: def $ax killed $ax killed $eax
|
|
; CHECK-NEXT: retq # encoding: [0xc3]
|
|
entry:
|
|
%sub = call i16 @llvm.usub.sat.i16(i16 %a, i16 123)
|
|
ret i16 %sub
|
|
}
|
|
|
|
define i32 @subflag32ri8(i32 noundef %a) {
|
|
; CHECK-LABEL: subflag32ri8:
|
|
; CHECK: # %bb.0: # %entry
|
|
; CHECK-NEXT: xorl %ecx, %ecx # encoding: [0x31,0xc9]
|
|
; CHECK-NEXT: subl $123, %edi, %eax # encoding: [0x62,0xf4,0x7c,0x18,0x81,0xef,0x7b,0x00,0x00,0x00]
|
|
; CHECK-NEXT: cmovbl %ecx, %eax # encoding: [0x0f,0x42,0xc1]
|
|
; CHECK-NEXT: retq # encoding: [0xc3]
|
|
entry:
|
|
%sub = call i32 @llvm.usub.sat.i32(i32 %a, i32 123)
|
|
ret i32 %sub
|
|
}
|
|
|
|
define i64 @subflag64ri8(i64 noundef %a) {
|
|
; CHECK-LABEL: subflag64ri8:
|
|
; CHECK: # %bb.0: # %entry
|
|
; CHECK-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0]
|
|
; CHECK-NEXT: subq $123, %rdi, %rcx # encoding: [0x62,0xf4,0xf4,0x18,0x81,0xef,0x7b,0x00,0x00,0x00]
|
|
; CHECK-NEXT: cmovaeq %rcx, %rax # encoding: [0x48,0x0f,0x43,0xc1]
|
|
; CHECK-NEXT: retq # encoding: [0xc3]
|
|
entry:
|
|
%sub = call i64 @llvm.usub.sat.i64(i64 %a, i64 123)
|
|
ret i64 %sub
|
|
}
|
|
|
|
define i8 @subflag8ri(i8 noundef %a) {
|
|
; CHECK-LABEL: subflag8ri:
|
|
; CHECK: # %bb.0: # %entry
|
|
; CHECK-NEXT: xorl %ecx, %ecx # encoding: [0x31,0xc9]
|
|
; CHECK-NEXT: subb $123, %dil, %al # encoding: [0x62,0xf4,0x7c,0x18,0x80,0xef,0x7b]
|
|
; CHECK-NEXT: movzbl %al, %eax # encoding: [0x0f,0xb6,0xc0]
|
|
; CHECK-NEXT: cmovbl %ecx, %eax # encoding: [0x0f,0x42,0xc1]
|
|
; CHECK-NEXT: # kill: def $al killed $al killed $eax
|
|
; CHECK-NEXT: retq # encoding: [0xc3]
|
|
entry:
|
|
%sub = call i8 @llvm.usub.sat.i8(i8 %a, i8 123)
|
|
ret i8 %sub
|
|
}
|
|
|
|
define i16 @subflag16ri(i16 noundef %a) {
|
|
; CHECK-LABEL: subflag16ri:
|
|
; CHECK: # %bb.0: # %entry
|
|
; CHECK-NEXT: xorl %ecx, %ecx # encoding: [0x31,0xc9]
|
|
; CHECK-NEXT: subw $1234, %di, %ax # encoding: [0x62,0xf4,0x7d,0x18,0x81,0xef,0xd2,0x04]
|
|
; CHECK-NEXT: # imm = 0x4D2
|
|
; CHECK-NEXT: cmovbl %ecx, %eax # encoding: [0x0f,0x42,0xc1]
|
|
; CHECK-NEXT: # kill: def $ax killed $ax killed $eax
|
|
; CHECK-NEXT: retq # encoding: [0xc3]
|
|
entry:
|
|
%sub = call i16 @llvm.usub.sat.i16(i16 %a, i16 1234)
|
|
ret i16 %sub
|
|
}
|
|
|
|
define i32 @subflag32ri(i32 noundef %a) {
|
|
; CHECK-LABEL: subflag32ri:
|
|
; CHECK: # %bb.0: # %entry
|
|
; CHECK-NEXT: xorl %ecx, %ecx # encoding: [0x31,0xc9]
|
|
; CHECK-NEXT: subl $123456, %edi, %eax # encoding: [0x62,0xf4,0x7c,0x18,0x81,0xef,0x40,0xe2,0x01,0x00]
|
|
; CHECK-NEXT: # imm = 0x1E240
|
|
; CHECK-NEXT: cmovbl %ecx, %eax # encoding: [0x0f,0x42,0xc1]
|
|
; CHECK-NEXT: retq # encoding: [0xc3]
|
|
entry:
|
|
%sub = call i32 @llvm.usub.sat.i32(i32 %a, i32 123456)
|
|
ret i32 %sub
|
|
}
|
|
|
|
define i64 @subflag64ri(i64 noundef %a) {
|
|
; CHECK-LABEL: subflag64ri:
|
|
; CHECK: # %bb.0: # %entry
|
|
; CHECK-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0]
|
|
; CHECK-NEXT: subq $123456, %rdi, %rcx # encoding: [0x62,0xf4,0xf4,0x18,0x81,0xef,0x40,0xe2,0x01,0x00]
|
|
; CHECK-NEXT: # imm = 0x1E240
|
|
; CHECK-NEXT: cmovaeq %rcx, %rax # encoding: [0x48,0x0f,0x43,0xc1]
|
|
; CHECK-NEXT: retq # encoding: [0xc3]
|
|
entry:
|
|
%sub = call i64 @llvm.usub.sat.i64(i64 %a, i64 123456)
|
|
ret i64 %sub
|
|
}
|
|
|
|
@val = external hidden global i8
|
|
|
|
declare void @f()
|
|
|
|
define void @sub64ri_reloc(i64 %val) {
|
|
; CHECK-LABEL: sub64ri_reloc:
|
|
; CHECK: # %bb.0:
|
|
; CHECK-NEXT: subq $val, %rdi, %rax # encoding: [0x62,0xf4,0xfc,0x18,0x81,0xef,A,A,A,A]
|
|
; CHECK-NEXT: # fixup A - offset: 6, value: val, kind: reloc_signed_4byte
|
|
; CHECK-NEXT: jbe .LBB41_2 # encoding: [0x76,A]
|
|
; CHECK-NEXT: # fixup A - offset: 1, value: .LBB41_2-1, kind: FK_PCRel_1
|
|
; CHECK-NEXT: # %bb.1: # %t
|
|
; CHECK-NEXT: pushq %rax # encoding: [0x50]
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 16
|
|
; CHECK-NEXT: callq f@PLT # encoding: [0xe8,A,A,A,A]
|
|
; CHECK-NEXT: # fixup A - offset: 1, value: f@PLT-4, kind: FK_PCRel_4
|
|
; CHECK-NEXT: popq %rax # encoding: [0x58]
|
|
; CHECK-NEXT: .cfi_def_cfa_offset 8
|
|
; CHECK-NEXT: .LBB41_2: # %f
|
|
; CHECK-NEXT: retq # encoding: [0xc3]
|
|
%cmp = icmp ugt i64 %val, ptrtoint (ptr @val to i64)
|
|
br i1 %cmp, label %t, label %f
|
|
|
|
t:
|
|
call void @f()
|
|
ret void
|
|
|
|
f:
|
|
ret void
|
|
}
|
|
|
|
define void @sub8mr_legacy(ptr %a, i8 noundef %b) {
|
|
; CHECK-LABEL: sub8mr_legacy:
|
|
; CHECK: # %bb.0: # %entry
|
|
; CHECK-NEXT: subb %sil, (%rdi) # encoding: [0x40,0x28,0x37]
|
|
; CHECK-NEXT: retq # encoding: [0xc3]
|
|
entry:
|
|
%t= load i8, ptr %a
|
|
%sub = sub i8 %t, %b
|
|
store i8 %sub, ptr %a
|
|
ret void
|
|
}
|
|
|
|
define void @sub16mr_legacy(ptr %a, i16 noundef %b) {
|
|
; CHECK-LABEL: sub16mr_legacy:
|
|
; CHECK: # %bb.0: # %entry
|
|
; CHECK-NEXT: subw %si, (%rdi) # encoding: [0x66,0x29,0x37]
|
|
; CHECK-NEXT: retq # encoding: [0xc3]
|
|
entry:
|
|
%t= load i16, ptr %a
|
|
%sub = sub i16 %t, %b
|
|
store i16 %sub, ptr %a
|
|
ret void
|
|
}
|
|
|
|
define void @sub32mr_legacy(ptr %a, i32 noundef %b) {
|
|
; CHECK-LABEL: sub32mr_legacy:
|
|
; CHECK: # %bb.0: # %entry
|
|
; CHECK-NEXT: subl %esi, (%rdi) # encoding: [0x29,0x37]
|
|
; CHECK-NEXT: retq # encoding: [0xc3]
|
|
entry:
|
|
%t= load i32, ptr %a
|
|
%sub = sub i32 %t, %b
|
|
store i32 %sub, ptr %a
|
|
ret void
|
|
}
|
|
|
|
define void @sub64mr_legacy(ptr %a, i64 noundef %b) {
|
|
; CHECK-LABEL: sub64mr_legacy:
|
|
; CHECK: # %bb.0: # %entry
|
|
; CHECK-NEXT: subq %rsi, (%rdi) # encoding: [0x48,0x29,0x37]
|
|
; CHECK-NEXT: retq # encoding: [0xc3]
|
|
entry:
|
|
%t= load i64, ptr %a
|
|
%sub = sub i64 %t, %b
|
|
store i64 %sub, ptr %a
|
|
ret void
|
|
}
|
|
|
|
define void @sub8mi_legacy(ptr %a) {
|
|
; CHECK-LABEL: sub8mi_legacy:
|
|
; CHECK: # %bb.0: # %entry
|
|
; CHECK-NEXT: addb $-123, (%rdi) # encoding: [0x80,0x07,0x85]
|
|
; CHECK-NEXT: retq # encoding: [0xc3]
|
|
entry:
|
|
%t= load i8, ptr %a
|
|
%sub = sub nsw i8 %t, 123
|
|
store i8 %sub, ptr %a
|
|
ret void
|
|
}
|
|
|
|
define void @sub16mi_legacy(ptr %a) {
|
|
; CHECK-LABEL: sub16mi_legacy:
|
|
; CHECK: # %bb.0: # %entry
|
|
; CHECK-NEXT: addw $-1234, (%rdi) # encoding: [0x66,0x81,0x07,0x2e,0xfb]
|
|
; CHECK-NEXT: # imm = 0xFB2E
|
|
; CHECK-NEXT: retq # encoding: [0xc3]
|
|
entry:
|
|
%t= load i16, ptr %a
|
|
%sub = sub nsw i16 %t, 1234
|
|
store i16 %sub, ptr %a
|
|
ret void
|
|
}
|
|
|
|
define void @sub32mi_legacy(ptr %a) {
|
|
; CHECK-LABEL: sub32mi_legacy:
|
|
; CHECK: # %bb.0: # %entry
|
|
; CHECK-NEXT: addl $-123456, (%rdi) # encoding: [0x81,0x07,0xc0,0x1d,0xfe,0xff]
|
|
; CHECK-NEXT: # imm = 0xFFFE1DC0
|
|
; CHECK-NEXT: retq # encoding: [0xc3]
|
|
entry:
|
|
%t= load i32, ptr %a
|
|
%sub = sub nsw i32 %t, 123456
|
|
store i32 %sub, ptr %a
|
|
ret void
|
|
}
|
|
|
|
define void @sub64mi_legacy(ptr %a) {
|
|
; CHECK-LABEL: sub64mi_legacy:
|
|
; CHECK: # %bb.0: # %entry
|
|
; CHECK-NEXT: addq $-123456, (%rdi) # encoding: [0x48,0x81,0x07,0xc0,0x1d,0xfe,0xff]
|
|
; CHECK-NEXT: # imm = 0xFFFE1DC0
|
|
; CHECK-NEXT: retq # encoding: [0xc3]
|
|
entry:
|
|
%t= load i64, ptr %a
|
|
%sub = sub nsw i64 %t, 123456
|
|
store i64 %sub, ptr %a
|
|
ret void
|
|
}
|