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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54832 91177308-0d34-0410-b5e6-96231b3b80d8
16 lines
674 B
LLVM
16 lines
674 B
LLVM
; Test folding of constantexpr geps into normal geps.
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; RUN: llvm-as < %s | opt -instcombine -gvn -instcombine | \
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; RUN: llvm-dis | not grep getelementptr
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@Array = external global [40 x i32] ; <[40 x i32]*> [#uses=2]
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define i32 @test(i64 %X) {
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%A = getelementptr i32* getelementptr ([40 x i32]* @Array, i64 0, i64 0), i64 %X ; <i32*> [#uses=1]
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%B = getelementptr [40 x i32]* @Array, i64 0, i64 %X ; <i32*> [#uses=1]
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%a = ptrtoint i32* %A to i32 ; <i32> [#uses=1]
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%b = ptrtoint i32* %B to i32 ; <i32> [#uses=1]
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%c = sub i32 %a, %b ; <i32> [#uses=1]
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ret i32 %c
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}
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