; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu \ ; RUN: -mcpu=pwr8 < %s | FileCheck %s --check-prefix=CHECK ; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu \ ; RUN: -mcpu=pwr8 < %s | FileCheck %s --check-prefix=CHECK ; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-aix \ ; RUN: -mcpu=pwr8 < %s | FileCheck %s --check-prefix=CHECK-AIX ; Function Attrs: nounwind uwtable define dso_local signext i32 @main() local_unnamed_addr { ; CHECK-LABEL: main: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: li 3, -1 ; CHECK-NEXT: li 4, 0 ; CHECK-NEXT: std 3, -8(1) ; CHECK-NEXT: addi 3, 1, -8 ; CHECK-NEXT: .p2align 5 ; CHECK-NEXT: .LBB0_1: # %do.body ; CHECK-NEXT: # ; CHECK-NEXT: #APP ; CHECK-NEXT: ldarx 5, 0, 3 ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: stdcx. 4, 0, 3 ; CHECK-NEXT: mfocrf 5, 128 ; CHECK-NEXT: srwi 5, 5, 28 ; CHECK-NEXT: cmplwi 5, 0 ; CHECK-NEXT: beq 0, .LBB0_1 ; CHECK-NEXT: # %bb.2: # %do.end ; CHECK-NEXT: ld 3, -8(1) ; CHECK-NEXT: li 4, 55 ; CHECK-NEXT: cmpldi 3, 0 ; CHECK-NEXT: li 3, 66 ; CHECK-NEXT: iseleq 3, 4, 3 ; CHECK-NEXT: blr ; ; CHECK-AIX-LABEL: main: ; CHECK-AIX: # %bb.0: # %entry ; CHECK-AIX-NEXT: li 3, -1 ; CHECK-AIX-NEXT: li 4, 0 ; CHECK-AIX-NEXT: std 3, -8(1) ; CHECK-AIX-NEXT: addi 3, 1, -8 ; CHECK-AIX-NEXT: .align 5 ; CHECK-AIX-NEXT: L..BB0_1: # %do.body ; CHECK-AIX-NEXT: # ; CHECK-AIX-NEXT: #APP ; CHECK-AIX-NEXT: ldarx 5, 0, 3 ; CHECK-AIX-NEXT: #NO_APP ; CHECK-AIX-NEXT: stdcx. 4, 0, 3 ; CHECK-AIX-NEXT: mfocrf 5, 128 ; CHECK-AIX-NEXT: srwi 5, 5, 28 ; CHECK-AIX-NEXT: cmplwi 5, 0 ; CHECK-AIX-NEXT: beq 0, L..BB0_1 ; CHECK-AIX-NEXT: # %bb.2: # %do.end ; CHECK-AIX-NEXT: ld 3, -8(1) ; CHECK-AIX-NEXT: li 4, 55 ; CHECK-AIX-NEXT: cmpldi 3, 0 ; CHECK-AIX-NEXT: li 3, 66 ; CHECK-AIX-NEXT: iseleq 3, 4, 3 ; CHECK-AIX-NEXT: blr entry: %x64 = alloca i64, align 8 %0 = bitcast i64* %x64 to i8* call void @llvm.lifetime.start.p0i8(i64 8, i8* nonnull %0) store i64 -1, i64* %x64, align 8 br label %do.body do.body: ; preds = %do.body, %entry %1 = call i64 asm sideeffect "ldarx $0, ${1:y}", "=r,*Z,~{memory}"(i64* elementtype(i64) nonnull %x64) %2 = call i32 @llvm.ppc.stdcx(i8* nonnull %0, i64 0) %tobool.not = icmp eq i32 %2, 0 br i1 %tobool.not, label %do.body, label %do.end do.end: ; preds = %do.body %3 = load i64, i64* %x64, align 8 %cmp = icmp eq i64 %3, 0 %. = select i1 %cmp, i32 55, i32 66 call void @llvm.lifetime.end.p0i8(i64 8, i8* nonnull %0) ret i32 %. } ; Function Attrs: argmemonly mustprogress nofree nosync nounwind willreturn declare void @llvm.lifetime.start.p0i8(i64 immarg, i8* nocapture) ; Function Attrs: nounwind writeonly declare i32 @llvm.ppc.stdcx(i8*, i64) ; Function Attrs: argmemonly mustprogress nofree nosync nounwind willreturn declare void @llvm.lifetime.end.p0i8(i64 immarg, i8* nocapture)