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24 lines
519 B
LLVM
24 lines
519 B
LLVM
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; RUN: opt < %s -instcombine -S | FileCheck %s
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; PR4374
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define float @test1(float %a, float %b) nounwind {
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%t1 = fsub float %a, %b
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%t2 = fsub float -0.000000e+00, %t1
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; CHECK: %t1 = fsub float %a, %b
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; CHECK-NEXT: %t2 = fsub float -0.000000e+00, %t1
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ret float %t2
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}
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; <rdar://problem/7530098>
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define double @test2(double %x, double %y) nounwind {
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%t1 = fadd double %x, %y
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%t2 = fsub double %x, %t1
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; CHECK: %t1 = fadd double %x, %y
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; CHECK-NEXT: %t2 = fsub double %x, %t1
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ret double %t2
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}
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