04b944e230
The only interesting test change is in @PR31262, where the following fold is now performed, while it previously was not: https://alive2.llvm.org/ce/z/a5Qmr6 llvm/test/Transforms/InstSimplify/ConstProp/gep.ll has not been updated, because there is a tradeoff between folding and inrange preservation there that we may want to discuss. Updates have been performed using: https://gist.github.com/nikic/98357b71fd67756b0f064c9517b62a34
13 lines
336 B
LLVM
13 lines
336 B
LLVM
; RUN: opt < %s -instcombine -S | grep "ret i32 0"
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; PR4424
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declare void @ext()
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define i32 @foo(i32 %ptr) {
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entry:
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%zero = sub i32 %ptr, %ptr ; <i32> [#uses=1]
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%div_zero = sdiv i32 %zero, ptrtoint (ptr getelementptr (i32, ptr null,
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i32 1) to i32) ; <i32> [#uses=1]
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ret i32 %div_zero
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}
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