InstCombine: Check the operand types before merging fcmp ord & fcmp ord.

Fixes PR15737.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179417 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer
2013-04-12 21:56:23 +00:00
parent a74f91e44c
commit 6ac9278606
2 changed files with 24 additions and 0 deletions

View File

@@ -77,3 +77,24 @@ define zeroext i8 @t7(float %x, float %y) nounwind {
; CHECK: fcmp uno
; CHECK-NOT: fcmp ult
}
; PR15737
define i1 @t8(float %a, double %b) {
%cmp = fcmp ord float %a, 0.000000e+00
%cmp1 = fcmp ord double %b, 0.000000e+00
%and = and i1 %cmp, %cmp1
ret i1 %and
; CHECK: t8
; CHECK: fcmp ord
; CHECK: fcmp ord
}
define <2 x i1> @t9(<2 x float> %a, <2 x double> %b) {
%cmp = fcmp ord <2 x float> %a, zeroinitializer
%cmp1 = fcmp ord <2 x double> %b, zeroinitializer
%and = and <2 x i1> %cmp, %cmp1
ret <2 x i1> %and
; CHECK: t9
; CHECK: fcmp ord
; CHECK: fcmp ord
}