| ; RUN: llc < %s -mcpu=pwr8 | FileCheck %s |
| |
| ; Generated from following C code: |
| ; |
| ; void foo (int result, char *addr) { |
| ; __asm__ __volatile__ ( |
| ; "ld%U1%X1 %0,%1\n" |
| ; "cmpw %0,%0\n" |
| ; "bne- 1f\n" |
| ; "1: isync\n" |
| ; : "=r" (result) |
| ; : "m"(*addr) : "memory", "cr0"); |
| ; } |
| |
| target datalayout = "e-m:e-i64:64-n32:64" |
| target triple = "powerpc64le-unknown-linux-gnu" |
| |
| ; Function Attrs: nounwind |
| ; Check that we accept 'U' and 'X' constraints. |
| define void @foo(i32 signext %result, i8* %addr) #0 { |
| entry: |
| %result.addr = alloca i32, align 4 |
| %addr.addr = alloca i8*, align 8 |
| store i32 %result, i32* %result.addr, align 4 |
| store i8* %addr, i8** %addr.addr, align 8 |
| %0 = load i8*, i8** %addr.addr, align 8 |
| %1 = call i32 asm sideeffect "ld${1:U}${1:X} $0,$1\0Acmpw $0,$0\0Abne- 1f\0A1: isync\0A", "=r,*m,~{memory},~{cr0}"(i8* %0) #1, !srcloc !1 |
| store i32 %1, i32* %result.addr, align 4 |
| ret void |
| } |
| |
| ; CHECK-LABEL: @foo |
| ; CHECK: ld [[REG:[0-9]+]], 0(4) |
| ; CHECK: cmpw [[REG]], [[REG]] |
| ; CHECK: bne- 0, .Ltmp[[TMP:[0-9]+]] |
| ; CHECK: .Ltmp[[TMP]]: |
| ; CHECK: isync |
| |
| attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } |
| attributes #1 = { nounwind } |
| |
| !llvm.ident = !{!0} |
| |
| !0 = !{!"clang version 3.6.0 (trunk 217557)"} |
| !1 = !{i32 67, i32 91, i32 110, i32 126} |
