forked from OSchip/llvm-project
19 lines
530 B
LLVM
19 lines
530 B
LLVM
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; fastisel should not fold add with non-pointer bitwidth
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; sext(a) + sext(b) != sext(a + b)
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; RUN: llc -mtriple=arm64-apple-darwin %s -O0 -o - | FileCheck %s
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define zeroext i8 @gep_promotion(i8* %ptr) nounwind uwtable ssp {
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entry:
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%ptr.addr = alloca i8*, align 8
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%add = add i8 64, 64 ; 0x40 + 0x40
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%0 = load i8** %ptr.addr, align 8
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; CHECK-LABEL: _gep_promotion:
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; CHECK: ldrb {{[a-z][0-9]+}}, {{\[[a-z][0-9]+\]}}
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%arrayidx = getelementptr inbounds i8* %0, i8 %add
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%1 = load i8* %arrayidx, align 1
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ret i8 %1
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}
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