1 ; RUN: llc < %s -mcpu=pwr8 | FileCheck %s
3 ; Generated from following C code:
5 ; void foo (int result, char *addr) {
6 ; __asm__ __volatile__ (
12 ; : "m"(*addr) : "memory", "cr0");
15 target datalayout = "e-m:e-i64:64-n32:64"
16 target triple = "powerpc64le-unknown-linux-gnu"
18 ; Function Attrs: nounwind
19 ; Check that we accept 'U' and 'X' constraints.
20 define void @foo(i32 signext %result, i8* %addr) #0 {
22 %result.addr = alloca i32, align 4
23 %addr.addr = alloca i8*, align 8
24 store i32 %result, i32* %result.addr, align 4
25 store i8* %addr, i8** %addr.addr, align 8
26 %0 = load i8** %addr.addr, align 8
27 %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
28 store i32 %1, i32* %result.addr, align 4
33 ; CHECK: ld [[REG:[0-9]+]],0(4)
34 ; CHECK-NEXT: cmpw [[REG]],[[REG]]
36 ; CHECK-NEXT: 1: isync
38 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" }
39 attributes #1 = { nounwind }
43 !0 = !{!"clang version 3.6.0 (trunk 217557)"}
44 !1 = !{i32 67, i32 91, i32 110, i32 126}