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https://github.com/c64scene-ar/llvm-6502.git
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183704cb08
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217680 91177308-0d34-0410-b5e6-96231b3b80d8
45 lines
1.4 KiB
LLVM
45 lines
1.4 KiB
LLVM
; RUN: llc < %s -mcpu=pwr8 | FileCheck %s
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; Generated from following C code:
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;
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; void foo (int result, char *addr) {
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; __asm__ __volatile__ (
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; "ld%U1%X1 %0,%1\n"
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; "cmpw %0,%0\n"
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; "bne- 1f\n"
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; "1: isync\n"
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; : "=r" (result)
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; : "m"(*addr) : "memory", "cr0");
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; }
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target datalayout = "e-m:e-i64:64-n32:64"
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target triple = "powerpc64le-unknown-linux-gnu"
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; Function Attrs: nounwind
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; Check that we accept 'U' and 'X' constraints.
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define void @foo(i32 signext %result, i8* %addr) #0 {
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entry:
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%result.addr = alloca i32, align 4
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%addr.addr = alloca i8*, align 8
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store i32 %result, i32* %result.addr, align 4
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store i8* %addr, i8** %addr.addr, align 8
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%0 = load i8** %addr.addr, align 8
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%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
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store i32 %1, i32* %result.addr, align 4
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ret void
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}
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; CHECK-LABEL: @foo
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; CHECK: ld [[REG:[0-9]+]],0(4)
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; CHECK-NEXT: cmpw [[REG]],[[REG]]
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; CHECK-NEXT: bne- 1f
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; CHECK-NEXT: 1: isync
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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" }
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attributes #1 = { nounwind }
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!llvm.ident = !{!0}
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!0 = metadata !{metadata !"clang version 3.6.0 (trunk 217557)"}
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!1 = metadata !{i32 67, i32 91, i32 110, i32 126}
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