1; RUN: llc < %s -mcpu=pwr8 | FileCheck %s
2
3; Generated from following C code:
4;
5; void foo (int result, char *addr) {
6;   __asm__ __volatile__ (
7;     "ld%U1%X1 %0,%1\n"
8;     "cmpw %0,%0\n"
9;     "bne- 1f\n"
10;     "1: isync\n"
11;     : "=r" (result)
12;     : "m"(*addr) : "memory", "cr0");
13; }
14
15target datalayout = "e-m:e-i64:64-n32:64"
16target triple = "powerpc64le-unknown-linux-gnu"
17
18; Function Attrs: nounwind
19; Check that we accept 'U' and 'X' constraints.
20define void @foo(i32 signext %result, i8* %addr) #0 {
21entry:
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*, 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
29  ret void
30}
31
32; CHECK-LABEL: @foo
33; CHECK: ld [[REG:[0-9]+]], 0(4)
34; CHECK: cmpw 0, [[REG]], [[REG]]
35; CHECK: bne- 0, .Ltmp[[TMP:[0-9]+]]
36; CHECK: .Ltmp[[TMP]]:
37; CHECK: isync
38
39attributes #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" }
40attributes #1 = { nounwind }
41
42!llvm.ident = !{!0}
43
44!0 = !{!"clang version 3.6.0 (trunk 217557)"}
45!1 = !{i32 67, i32 91, i32 110, i32 126}
46