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