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An extra test case added for the builtin __LDARX. Differential revision: https://reviews.llvm.org/D105926
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llvm/test/CodeGen/PowerPC/builtins-ppc-xlcompat-check-ldarx-opt.ll
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; 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 | ||
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; 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 | ||
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do.body: ; preds = %do.body, %entry | ||
%1 = call i64 asm sideeffect "ldarx $0, ${1:y}", "=r,*Z,~{memory}"(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 | ||
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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 %. | ||
} | ||
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; Function Attrs: argmemonly mustprogress nofree nosync nounwind willreturn | ||
declare void @llvm.lifetime.start.p0i8(i64 immarg, i8* nocapture) | ||
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; Function Attrs: nounwind writeonly | ||
declare i32 @llvm.ppc.stdcx(i8*, i64) | ||
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; Function Attrs: argmemonly mustprogress nofree nosync nounwind willreturn | ||
declare void @llvm.lifetime.end.p0i8(i64 immarg, i8* nocapture) |