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6844c8ea5a
Reassociate does this but it doesn't catch all cases (e.g. if the operands are i1). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113651 91177308-0d34-0410-b5e6-96231b3b80d8
29 lines
609 B
LLVM
29 lines
609 B
LLVM
; RUN: opt < %s -instcombine -S | FileCheck %s
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; PR1738
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define i1 @test1(double %X, double %Y) {
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%tmp9 = fcmp ord double %X, 0.000000e+00
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%tmp13 = fcmp ord double %Y, 0.000000e+00
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%bothcond = and i1 %tmp13, %tmp9
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ret i1 %bothcond
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; CHECK: fcmp ord double %Y, %X
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}
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define i1 @test2(i1 %X, i1 %Y) {
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%a = and i1 %X, %Y
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%b = and i1 %a, %X
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ret i1 %b
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; CHECK: @test2
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; CHECK-NEXT: and i1 %X, %Y
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; CHECK-NEXT: ret
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}
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define i32 @test3(i32 %X, i32 %Y) {
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%a = and i32 %X, %Y
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%b = and i32 %Y, %a
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ret i32 %b
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; CHECK: @test3
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; CHECK-NEXT: and i32 %X, %Y
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; CHECK-NEXT: ret
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}
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