; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2 ; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+ndd -verify-machineinstrs | FileCheck %s define i8 @neg8r(i8 noundef %a) { ; CHECK-LABEL: neg8r: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: negb %dil, %al ; CHECK-NEXT: retq entry: %neg = sub i8 0, %a ret i8 %neg } define i16 @neg16r(i16 noundef %a) { ; CHECK-LABEL: neg16r: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: negl %edi, %eax ; CHECK-NEXT: # kill: def $ax killed $ax killed $eax ; CHECK-NEXT: retq entry: %neg = sub i16 0, %a ret i16 %neg } define i32 @neg32r(i32 noundef %a) { ; CHECK-LABEL: neg32r: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: negl %edi, %eax ; CHECK-NEXT: retq entry: %neg = sub i32 0, %a ret i32 %neg } define i64 @neg64r(i64 noundef %a) { ; CHECK-LABEL: neg64r: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: negq %rdi, %rax ; CHECK-NEXT: retq entry: %neg = sub i64 0, %a ret i64 %neg } define i8 @neg8m(ptr %ptr) { ; CHECK-LABEL: neg8m: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: negb (%rdi), %al ; CHECK-NEXT: retq entry: %a = load i8, ptr %ptr %neg = sub i8 0, %a ret i8 %neg } define i16 @neg16m(ptr %ptr) { ; CHECK-LABEL: neg16m: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: negw (%rdi), %ax ; CHECK-NEXT: retq entry: %a = load i16, ptr %ptr %neg = sub i16 0, %a ret i16 %neg } define i32 @neg32m(ptr %ptr) { ; CHECK-LABEL: neg32m: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: negl (%rdi), %eax ; CHECK-NEXT: retq entry: %a = load i32, ptr %ptr %neg = sub i32 0, %a ret i32 %neg } define i64 @neg64m(ptr %ptr) { ; CHECK-LABEL: neg64m: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: negq (%rdi), %rax ; CHECK-NEXT: retq entry: %a = load i64, ptr %ptr %neg = sub i64 0, %a ret i64 %neg } define i8 @uneg8r(i8 noundef %a) { ; CHECK-LABEL: uneg8r: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: negb %dil, %al ; CHECK-NEXT: retq entry: %t = call {i8, i1} @llvm.usub.with.overflow.i8(i8 0, i8 %a) %neg = extractvalue {i8, i1} %t, 0 ret i8 %neg } define i16 @uneg16r(i16 noundef %a) { ; CHECK-LABEL: uneg16r: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: negl %edi, %eax ; CHECK-NEXT: # kill: def $ax killed $ax killed $eax ; CHECK-NEXT: retq entry: %t = call {i16, i1} @llvm.usub.with.overflow.i16(i16 0, i16 %a) %neg = extractvalue {i16, i1} %t, 0 ret i16 %neg } define i32 @uneg32r(i32 noundef %a) { ; CHECK-LABEL: uneg32r: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: negl %edi, %eax ; CHECK-NEXT: retq entry: %t = call {i32, i1} @llvm.usub.with.overflow.i32(i32 0, i32 %a) %neg = extractvalue {i32, i1} %t, 0 ret i32 %neg } define i64 @uneg64r(i64 noundef %a) { ; CHECK-LABEL: uneg64r: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: negq %rdi, %rax ; CHECK-NEXT: retq entry: %t = call {i64, i1} @llvm.usub.with.overflow.i64(i64 0, i64 %a) %neg = extractvalue {i64, i1} %t, 0 ret i64 %neg } define i8 @uneg8m(ptr %ptr) { ; CHECK-LABEL: uneg8m: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: negb (%rdi), %al ; CHECK-NEXT: retq entry: %a = load i8, ptr %ptr %t = call {i8, i1} @llvm.usub.with.overflow.i8(i8 0, i8 %a) %neg = extractvalue {i8, i1} %t, 0 ret i8 %neg } define i16 @uneg16m(ptr %ptr) { ; CHECK-LABEL: uneg16m: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: negw (%rdi), %ax ; CHECK-NEXT: retq entry: %a = load i16, ptr %ptr %t = call {i16, i1} @llvm.usub.with.overflow.i16(i16 0, i16 %a) %neg = extractvalue {i16, i1} %t, 0 ret i16 %neg } define i32 @uneg32m(ptr %ptr) { ; CHECK-LABEL: uneg32m: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: negl (%rdi), %eax ; CHECK-NEXT: retq entry: %a = load i32, ptr %ptr %t = call {i32, i1} @llvm.usub.with.overflow.i32(i32 0, i32 %a) %neg = extractvalue {i32, i1} %t, 0 ret i32 %neg } define i64 @uneg64m(ptr %ptr) { ; CHECK-LABEL: uneg64m: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: negq (%rdi), %rax ; CHECK-NEXT: retq entry: %a = load i64, ptr %ptr %t = call {i64, i1} @llvm.usub.with.overflow.i64(i64 0, i64 %a) %neg = extractvalue {i64, i1} %t, 0 ret i64 %neg } declare {i8, i1} @llvm.usub.with.overflow.i8(i8, i8) declare {i16, i1} @llvm.usub.with.overflow.i16(i16, i16) declare {i32, i1} @llvm.usub.with.overflow.i32(i32, i32) declare {i64, i1} @llvm.usub.with.overflow.i64(i64, i64) define void @neg8m_legacy(ptr %ptr) { ; CHECK-LABEL: neg8m_legacy: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: negb (%rdi) ; CHECK-NEXT: retq entry: %a = load i8, ptr %ptr %neg = sub i8 0, %a store i8 %neg, ptr %ptr ret void } define void @neg16m_legacy(ptr %ptr) { ; CHECK-LABEL: neg16m_legacy: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: negw (%rdi) ; CHECK-NEXT: retq entry: %a = load i16, ptr %ptr %neg = sub i16 0, %a store i16 %neg, ptr %ptr ret void } define void @neg32m_legacy(ptr %ptr) { ; CHECK-LABEL: neg32m_legacy: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: negl (%rdi) ; CHECK-NEXT: retq entry: %a = load i32, ptr %ptr %neg = sub i32 0, %a store i32 %neg, ptr %ptr ret void } define void @neg64m_legacy(ptr %ptr) { ; CHECK-LABEL: neg64m_legacy: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: negq (%rdi) ; CHECK-NEXT: retq entry: %a = load i64, ptr %ptr %neg = sub i64 0, %a store i64 %neg, ptr %ptr ret void }