31 lines
1.1 KiB
LLVM
31 lines
1.1 KiB
LLVM
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; RUN: llc -no-integrated-as < %s | FileCheck %s
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; PR2078
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; The clobber list says that "ax" is clobbered. Make sure that eax isn't
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; allocated to the input/output register.
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target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
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target triple = "i386-apple-darwin8"
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@pixels = weak global i32 0 ; <i32*> [#uses=2]
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define void @test() nounwind {
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entry:
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%tmp = load i32, i32* @pixels, align 4 ; <i32> [#uses=1]
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%tmp1 = tail call i32 asm sideeffect "a: $0 $1", "=r,0,~{dirflag},~{fpsr},~{flags},~{ax}"( i32 %tmp ) nounwind ; <i32> [#uses=1]
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store i32 %tmp1, i32* @pixels, align 4
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ret void
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}
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; CHECK: a:
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; CHECK-NOT: ax
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; CHECK: {{$}}
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define void @test2(i16* %block, i8* %pixels, i32 %line_size) nounwind {
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entry:
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%tmp1 = getelementptr i16, i16* %block, i32 64 ; <i16*> [#uses=1]
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%tmp3 = tail call i8* asm sideeffect "b: $0 $1 $2", "=r,r,0,~{dirflag},~{fpsr},~{flags},~{ax}"( i16* %tmp1, i8* %pixels ) nounwind ; <i8*> [#uses=0]
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ret void
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}
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; CHECK: b:
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; CHECK-NOT: ax
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; CHECK: {{$}}
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