[ValueTracking] Teach cannotBeOrderedLessThanZeroImpl to handle vector constants.
Summary: This allows vector fabs to be removed in more cases.
Reviewers: spatel, arsenm, RKSimon
Reviewed By: spatel
Subscribers: wdng, llvm-commits
Differential Revision: https://reviews.llvm.org/D43739
llvm-svn: 326138
diff --git a/llvm/test/Transforms/InstSimplify/floating-point-arithmetic.ll b/llvm/test/Transforms/InstSimplify/floating-point-arithmetic.ll
index 5ec820f..ba177ea 100644
--- a/llvm/test/Transforms/InstSimplify/floating-point-arithmetic.ll
+++ b/llvm/test/Transforms/InstSimplify/floating-point-arithmetic.ll
@@ -132,8 +132,7 @@
; CHECK-LABEL: @fabs_select_positive_constants_vector(
; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[C:%.*]], 0
; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP]], <2 x float> <float 1.000000e+00, float 1.000000e+00>, <2 x float> <float 2.000000e+00, float 2.000000e+00>
-; CHECK-NEXT: [[FABS:%.*]] = call <2 x float> @llvm.fabs.v2f32(<2 x float> [[SELECT]])
-; CHECK-NEXT: ret <2 x float> [[FABS]]
+; CHECK-NEXT: ret <2 x float> [[SELECT]]
;
%cmp = icmp eq i32 %c, 0
%select = select i1 %cmp, <2 x float> <float 1.0, float 1.0>, <2 x float> <float 2.0, float 2.0>
@@ -235,8 +234,7 @@
; CHECK-LABEL: @fabs_select_nan_nan_vector(
; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[C:%.*]], 0
; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP]], <2 x float> <float 0x7FF8000000000000, float 0x7FF8000000000000>, <2 x float> <float 0x7FF8000100000000, float 0x7FF8000100000000>
-; CHECK-NEXT: [[FABS:%.*]] = call <2 x float> @llvm.fabs.v2f32(<2 x float> [[SELECT]])
-; CHECK-NEXT: ret <2 x float> [[FABS]]
+; CHECK-NEXT: ret <2 x float> [[SELECT]]
;
%cmp = icmp eq i32 %c, 0
%select = select i1 %cmp, <2 x float> <float 0x7FF8000000000000, float 0x7FF8000000000000>, <2 x float> <float 0x7FF8000100000000, float 0x7FF8000100000000>