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[InstCombine] add test for fcmp+fabs; NFC 

llvm-svn: 346320
This commit is contained in:
Sanjay Patel 2018-11-07 15:01:09 +00:00
parent f761a2c620
commit c006a0ad4b
1 changed files with 20 additions and 0 deletions
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20
llvm/test/Transforms/InstCombine/fcmp.ll
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@ -217,6 +217,26 @@ define i1 @fabs_oge(double %a) {
ret i1 %cmp
}
define i1 @fabs_ult(double %a) {
; CHECK-LABEL: @fabs_ult(
; CHECK-NEXT: [[CALL:%.*]] = call double @llvm.fabs.f64(double [[A:%.*]])
; CHECK-NEXT: [[CMP:%.*]] = fcmp reassoc arcp ult double [[CALL]], 0.000000e+00
; CHECK-NEXT: ret i1 [[CMP]]
;
%call = call double @llvm.fabs.f64(double %a)
%cmp = fcmp reassoc arcp ult double %call, 0.0
ret i1 %cmp
}
define <2 x i1> @fabs_ult_nnan(<2 x float> %a) {
; CHECK-LABEL: @fabs_ult_nnan(
; CHECK-NEXT: ret <2 x i1> zeroinitializer
;
%call = call <2 x float> @llvm.fabs.v2f32(<2 x float> %a)
%cmp = fcmp nnan reassoc arcp ult <2 x float> %call, zeroinitializer
ret <2 x i1> %cmp
}
define i1 @fabs_une(half %a) {
; CHECK-LABEL: @fabs_une(
; CHECK-NEXT: [[CMP:%.*]] = fcmp une half [[A:%.*]], 0xH0000