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Imported Upstream version 5.18.0.179

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Former-commit-id: 67aa10e65b237e1c4537630979ee99ebe1374215
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Xamarin Public Jenkins (auto-signing)
2018-10-25 08:34:57 +00:00
parent d6bde52373
commit 8625704ad8
28485 changed files with 3866843 additions and 50 deletions
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31
external/llvm/test/Transforms/InstCombine/select-2.ll vendored Normal file
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; RUN: opt < %s -instcombine -S | FileCheck %s
; CHECK: select
; CHECK: select
; Make sure instcombine don't fold select into operands. We don't want to emit
; select of two integers unless it's selecting 0 / 1.
define i32 @t1(i32 %c, i32 %x) nounwind {
%t1 = icmp eq i32 %c, 0
%t2 = lshr i32 %x, 18
%t3 = select i1 %t1, i32 %t2, i32 %x
ret i32 %t3
}
define i32 @t2(i32 %c, i32 %x) nounwind {
%t1 = icmp eq i32 %c, 0
%t2 = and i32 %x, 18
%t3 = select i1 %t1, i32 %t2, i32 %x
ret i32 %t3
}
define float @t3(float %x, float %y) nounwind {
%t1 = fcmp ogt float %x, %y
%t2 = select i1 %t1, float %x, float 1.0
%t3 = fadd fast float %t2, 1.0
ret float %t3
; CHECK-LABEL: @t3(
; CHECK: fadd fast
; CHECK: select
}