return SelectInst::Create(LHSI->getOperand(0), Op1, Op2);
break;
}
+ case Instruction::FSub: {
+ // fcmp pred (fneg x), C -> fcmp swap(pred) x, -C
+ Value *Op;
+ if (match(LHSI, m_FNeg(m_Value(Op))))
+ return new FCmpInst(I.getSwappedPredicate(), Op,
+ ConstantExpr::getFNeg(RHSC));
+ break;
+ }
case Instruction::Load:
if (GetElementPtrInst *GEP =
dyn_cast<GetElementPtrInst>(LHSI->getOperand(0))) {
; CHECK: @test4
; CHECK-NEXT: fpext float %a to double
}
+
+define i1 @test5(float %a) nounwind {
+ %neg = fsub float -0.000000e+00, %a
+ %cmp = fcmp ogt float %neg, 1.000000e+00
+ ret i1 %cmp
+; CHECK: @test5
+; CHECK-NEXT: fcmp olt float %a, -1.0
+}