llvm/test/CodeGen/XCore/fneg.ll
Matt Arsenault 70c07bb572 DAG: Fold fneg into compare with constant into the constant
fcmp (fneg x), c, pred -> fcmp x, -c, (swap pred)

InstCombine already does this.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@293512 91177308-0d34-0410-b5e6-96231b3b80d8
2017-01-30 17:57:28 +00:00

10 lines
212 B
LLVM

; RUN: llc < %s -march=xcore | FileCheck %s
define i1 @test(double %F, double %G) nounwind {
entry:
; CHECK-LABEL: test:
; CHECK: xor
%0 = fsub double -0.000000e+00, %F
%1 = fcmp olt double %G, %0
ret i1 %1
}