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21 lines
527 B
LLVM
21 lines
527 B
LLVM
; RUN: opt %s -instcombine -S | not grep {a.off}
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; PR1949
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define i1 @test1(i32 %a) {
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%a.off = add i32 %a, 4 ; <i32> [#uses=1]
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%C = icmp ult i32 %a.off, 4 ; <i1> [#uses=1]
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ret i1 %C
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}
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define i1 @test2(i32 %a) {
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%a.off = sub i32 %a, 4 ; <i32> [#uses=1]
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%C = icmp ugt i32 %a.off, -5 ; <i1> [#uses=1]
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ret i1 %C
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}
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define i1 @test3(i32 %a) {
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%a.off = add i32 %a, 4 ; <i32> [#uses=1]
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%C = icmp slt i32 %a.off, 2147483652 ; <i1> [#uses=1]
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ret i1 %C
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}
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