370a8c8025
Better use isZero() and isIntN() in SystemZTargetTransformInfo rather than calling getZExtValue() since the immediate operand may be wider than 64 bits, which is not allowed with getZExtValue(). Fixes https://bugs.llvm.org/show_bug.cgi?id=47600 Review: Simon Pilgrim
21 lines
638 B
LLVM
21 lines
638 B
LLVM
; RUN: opt < %s -cost-model -analyze -mtriple=systemz-unknown -mcpu=z13
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;
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; Test that cost functions can handle immediates of more than 64 bits without crashing.
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; Cost of a load which is checked for folding into a compare w/ memory.
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define i32 @fun0(i72* %Src) {
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%L = load i72, i72* %Src
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%B = icmp ult i72 %L, 166153499473114484112
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%Res = zext i1 %B to i32
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ret i32 %Res
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}
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; Cost of a compare which is checked for elimination by Load and Test.
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define i32 @fun1(i72* %Src, i72* %Dst) {
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%L = load i72, i72* %Src
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store i72 %L, i72* %Dst
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%B = icmp ult i72 %L, 166153499473114484112
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%Res = zext i1 %B to i32
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ret i32 %Res
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}
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