llvm-6502/test/CodeGen/PowerPC/asm-constraints.ll

33 lines
1.2 KiB
LLVM
Raw Normal View History

; RUN: llc < %s -mcpu=pwr8 | FileCheck %s
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** %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-NEXT: cmpw [[REG]],[[REG]]
; CHECK-NEXT: bne- 1f
; CHECK-NEXT: 1: 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 = metadata !{metadata !"clang version 3.6.0 (trunk 217557)"}
!1 = metadata !{i32 67, i32 91, i32 110, i32 126}