forked from OSchip/llvm-project
30 lines
505 B
LLVM
30 lines
505 B
LLVM
; RUN: opt < %s -instcombine -S | not grep zext
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define i32 @a(i1 %x) {
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entry:
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%y = zext i1 %x to i32
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%res = add i32 %y, 1
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ret i32 %res
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}
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define i32 @b(i1 %x) {
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entry:
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%y = zext i1 %x to i32
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%res = add i32 %y, -1
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ret i32 %res
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}
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define i32 @c(i1 %x) {
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entry:
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%y = zext i1 %x to i32
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%res = sub i32 0, %y
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ret i32 %res
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}
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define i32 @d(i1 %x) {
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entry:
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%y = zext i1 %x to i32
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%res = sub i32 3, %y
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ret i32 %res
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}
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