forked from OSchip/llvm-project
26 lines
716 B
LLVM
26 lines
716 B
LLVM
; RUN: opt < %s -argpromotion -S > %t
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; RUN: cat %t | grep "define.*@callee(.*i32\*"
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; PR2498
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; This test tries to convince argpromotion about promoting the load from %A + 2,
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; because there is a load of %A in the entry block
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define internal i32 @callee(i1 %C, i32* %A) {
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entry:
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; Unconditonally load the element at %A
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%A.0 = load i32* %A
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br i1 %C, label %T, label %F
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T:
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ret i32 %A.0
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F:
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; Load the element at offset two from %A. This should not be promoted!
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%A.2 = getelementptr i32* %A, i32 2
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%R = load i32* %A.2
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ret i32 %R
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}
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define i32 @foo() {
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%X = call i32 @callee(i1 false, i32* null) ; <i32> [#uses=1]
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ret i32 %X
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}
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