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[InstSimplify] add tests for fcmp and known positive; NFC

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llvm-svn: 345722
This commit is contained in:
Sanjay Patel 2018-10-31 14:29:21 +00:00
parent dd7f0cd0fa
commit 5297adacba
1 changed files with 100 additions and 20 deletions
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120
test/Transforms/InstSimplify/floating-point-compare.ll
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@ -234,44 +234,84 @@ define i1 @orderedLessZeroPowi(double,double) {
ret i1 %olt
}
define i1 @orderedLessZeroUIToFP(i32 %x) {
; CHECK-LABEL: @orderedLessZeroUIToFP(
define i1 @UIToFP_is_nan_or_positive_or_zero(i32 %x) {
; CHECK-LABEL: @UIToFP_is_nan_or_positive_or_zero(
; CHECK-NEXT: ret i1 true
;
%a = uitofp i32 %x to float
%uge = fcmp uge float %a, 0.000000e+00
ret i1 %uge
%r = fcmp uge float %a, 0.000000e+00
ret i1 %r
}
define <2 x i1> @orderedLessZeroUIToFP_vec(<2 x i32> %x) {
; CHECK-LABEL: @orderedLessZeroUIToFP_vec(
define <2 x i1> @UIToFP_is_nan_or_positive_or_zero_vec(<2 x i32> %x) {
; CHECK-LABEL: @UIToFP_is_nan_or_positive_or_zero_vec(
; CHECK-NEXT: ret <2 x i1> <i1 true, i1 true>
;
%a = uitofp <2 x i32> %x to <2 x float>
%uge = fcmp uge <2 x float> %a, zeroinitializer
ret <2 x i1> %uge
%r = fcmp uge <2 x float> %a, zeroinitializer
ret <2 x i1> %r
}
define i1 @orderedLessZeroUIToFP_nnan(i32 %x) {
; CHECK-LABEL: @orderedLessZeroUIToFP_nnan(
define i1 @UIToFP_nnan_is_positive_or_zero(i32 %x) {
; CHECK-LABEL: @UIToFP_nnan_is_positive_or_zero(
; CHECK-NEXT: [[A:%.*]] = uitofp i32 [[X:%.*]] to float
; CHECK-NEXT: [[UGE:%.*]] = fcmp nnan oge float [[A]], 0.000000e+00
; CHECK-NEXT: ret i1 [[UGE]]
; CHECK-NEXT: [[R:%.*]] = fcmp nnan oge float [[A]], 0.000000e+00
; CHECK-NEXT: ret i1 [[R]]
;
%a = uitofp i32 %x to float
%uge = fcmp nnan oge float %a, 0.000000e+00
ret i1 %uge
%r = fcmp nnan oge float %a, 0.000000e+00
ret i1 %r
}
define <2 x i1> @orderedLessZeroUIToFP_nnan_vec(<2 x i32> %x) {
; CHECK-LABEL: @orderedLessZeroUIToFP_nnan_vec(
define <2 x i1> @UIToFP_nnan_is_positive_or_zero_vec(<2 x i32> %x) {
; CHECK-LABEL: @UIToFP_nnan_is_positive_or_zero_vec(
; CHECK-NEXT: [[A:%.*]] = uitofp <2 x i32> [[X:%.*]] to <2 x float>
; CHECK-NEXT: [[UGE:%.*]] = fcmp nnan oge <2 x float> [[A]], zeroinitializer
; CHECK-NEXT: ret <2 x i1> [[UGE]]
; CHECK-NEXT: [[R:%.*]] = fcmp nnan oge <2 x float> [[A]], zeroinitializer
; CHECK-NEXT: ret <2 x i1> [[R]]
;
%a = uitofp <2 x i32> %x to <2 x float>
%uge = fcmp nnan oge <2 x float> %a, zeroinitializer
ret <2 x i1> %uge
%r = fcmp nnan oge <2 x float> %a, zeroinitializer
ret <2 x i1> %r
}
define i1 @UIToFP_is_not_negative(i32 %x) {
; CHECK-LABEL: @UIToFP_is_not_negative(
; CHECK-NEXT: ret i1 false
;
%a = uitofp i32 %x to float
%r = fcmp olt float %a, 0.000000e+00
ret i1 %r
}
define <2 x i1> @UIToFP_is_not_negative_vec(<2 x i32> %x) {
; CHECK-LABEL: @UIToFP_is_not_negative_vec(
; CHECK-NEXT: ret <2 x i1> zeroinitializer
;
%a = uitofp <2 x i32> %x to <2 x float>
%r = fcmp olt <2 x float> %a, zeroinitializer
ret <2 x i1> %r
}
define i1 @UIToFP_nnan_is_not_negative(i32 %x) {
; CHECK-LABEL: @UIToFP_nnan_is_not_negative(
; CHECK-NEXT: [[A:%.*]] = uitofp i32 [[X:%.*]] to float
; CHECK-NEXT: [[R:%.*]] = fcmp nnan ult float [[A]], 0.000000e+00
; CHECK-NEXT: ret i1 [[R]]
;
%a = uitofp i32 %x to float
%r = fcmp nnan ult float %a, 0.000000e+00
ret i1 %r
}
define <2 x i1> @UIToFP_nnan_is_not_negative_vec(<2 x i32> %x) {
; CHECK-LABEL: @UIToFP_nnan_is_not_negative_vec(
; CHECK-NEXT: [[A:%.*]] = uitofp <2 x i32> [[X:%.*]] to <2 x float>
; CHECK-NEXT: [[R:%.*]] = fcmp nnan ult <2 x float> [[A]], zeroinitializer
; CHECK-NEXT: ret <2 x i1> [[R]]
;
%a = uitofp <2 x i32> %x to <2 x float>
%r = fcmp nnan ult <2 x float> %a, zeroinitializer
ret <2 x i1> %r
}
define i1 @fabs_is_nan_or_positive_or_zero(double %x) {
@ -314,6 +354,46 @@ define <2 x i1> @fabs_nnan_is_positive_or_zero_vec(<2 x double> %x) {
ret <2 x i1> %cmp
}
define i1 @fabs_is_not_negative(double %x) {
; CHECK-LABEL: @fabs_is_not_negative(
; CHECK-NEXT: ret i1 false
;
%fabs = tail call double @llvm.fabs.f64(double %x)
%cmp = fcmp olt double %fabs, 0.0
ret i1 %cmp
}
define <2 x i1> @fabs_is_not_negative_vec(<2 x double> %x) {
; CHECK-LABEL: @fabs_is_not_negative_vec(
; CHECK-NEXT: ret <2 x i1> zeroinitializer
;
%fabs = tail call <2 x double> @llvm.fabs.v2f64(<2 x double> %x)
%cmp = fcmp olt <2 x double> %fabs, zeroinitializer
ret <2 x i1> %cmp
}
define i1 @fabs_nnan_is_not_negative(double %x) {
; CHECK-LABEL: @fabs_nnan_is_not_negative(
; CHECK-NEXT: [[FABS:%.*]] = tail call double @llvm.fabs.f64(double [[X:%.*]])
; CHECK-NEXT: [[CMP:%.*]] = fcmp nnan ult double [[FABS]], 0.000000e+00
; CHECK-NEXT: ret i1 [[CMP]]
;
%fabs = tail call double @llvm.fabs.f64(double %x)
%cmp = fcmp nnan ult double %fabs, 0.0
ret i1 %cmp
}
define <2 x i1> @fabs_nnan_is_not_negative_vec(<2 x double> %x) {
; CHECK-LABEL: @fabs_nnan_is_not_negative_vec(
; CHECK-NEXT: [[FABS:%.*]] = tail call <2 x double> @llvm.fabs.v2f64(<2 x double> [[X:%.*]])
; CHECK-NEXT: [[CMP:%.*]] = fcmp nnan ult <2 x double> [[FABS]], zeroinitializer
; CHECK-NEXT: ret <2 x i1> [[CMP]]
;
%fabs = tail call <2 x double> @llvm.fabs.v2f64(<2 x double> %x)
%cmp = fcmp nnan ult <2 x double> %fabs, zeroinitializer
ret <2 x i1> %cmp
}
define i1 @orderedLessZeroSelect(float, float) {
; CHECK-LABEL: @orderedLessZeroSelect(
; CHECK-NEXT: ret i1 true