forked from OSchip/llvm-project
59 lines
1.7 KiB
LLVM
59 lines
1.7 KiB
LLVM
; RUN: opt < %s -scalarrepl -S | not grep alloca
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; PR3290
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target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64"
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;; Store of integer to whole alloca struct.
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define i32 @test1(i64 %V) nounwind {
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%X = alloca {{i32, i32}}
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%Y = bitcast {{i32,i32}}* %X to i64*
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store i64 %V, i64* %Y
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%A = getelementptr {{i32,i32}}* %X, i32 0, i32 0, i32 0
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%B = getelementptr {{i32,i32}}* %X, i32 0, i32 0, i32 1
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%a = load i32* %A
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%b = load i32* %B
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%c = add i32 %a, %b
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ret i32 %c
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}
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;; Store of integer to whole struct/array alloca.
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define float @test2(i128 %V) nounwind {
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%X = alloca {[4 x float]}
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%Y = bitcast {[4 x float]}* %X to i128*
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store i128 %V, i128* %Y
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%A = getelementptr {[4 x float]}* %X, i32 0, i32 0, i32 0
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%B = getelementptr {[4 x float]}* %X, i32 0, i32 0, i32 3
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%a = load float* %A
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%b = load float* %B
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%c = fadd float %a, %b
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ret float %c
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}
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;; Load of whole alloca struct as integer
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define i64 @test3(i32 %a, i32 %b) nounwind {
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%X = alloca {{i32, i32}}
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%A = getelementptr {{i32,i32}}* %X, i32 0, i32 0, i32 0
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%B = getelementptr {{i32,i32}}* %X, i32 0, i32 0, i32 1
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store i32 %a, i32* %A
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store i32 %b, i32* %B
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%Y = bitcast {{i32,i32}}* %X to i64*
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%Z = load i64* %Y
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ret i64 %Z
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}
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;; load of integer from whole struct/array alloca.
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define i128 @test4(float %a, float %b) nounwind {
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%X = alloca {[4 x float]}
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%A = getelementptr {[4 x float]}* %X, i32 0, i32 0, i32 0
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%B = getelementptr {[4 x float]}* %X, i32 0, i32 0, i32 3
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store float %a, float* %A
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store float %b, float* %B
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%Y = bitcast {[4 x float]}* %X to i128*
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%V = load i128* %Y
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ret i128 %V
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}
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