summaryrefslogtreecommitdiffstats
path: root/llvm/test/Transforms/InstCombine/signed-comparison.ll
diff options
context:
space:
mode:
Diffstat (limited to 'llvm/test/Transforms/InstCombine/signed-comparison.ll')
-rw-r--r--llvm/test/Transforms/InstCombine/signed-comparison.ll18
1 files changed, 16 insertions, 2 deletions
diff --git a/llvm/test/Transforms/InstCombine/signed-comparison.ll b/llvm/test/Transforms/InstCombine/signed-comparison.ll
index 17dd0dba8a3..5092ce713b7 100644
--- a/llvm/test/Transforms/InstCombine/signed-comparison.ll
+++ b/llvm/test/Transforms/InstCombine/signed-comparison.ll
@@ -3,8 +3,8 @@
; Convert the zext+slt into a simple ult.
-define i1 @foo(i16 %t4) {
-; CHECK-LABEL: @foo(
+define i1 @scalar_zext_slt(i16 %t4) {
+; CHECK-LABEL: @scalar_zext_slt(
; CHECK-NEXT: [[T6:%.*]] = icmp ult i16 %t4, 500
; CHECK-NEXT: ret i1 [[T6]]
;
@@ -12,3 +12,17 @@ define i1 @foo(i16 %t4) {
%t6 = icmp slt i32 %t5, 500
ret i1 %t6
}
+
+; FIXME: Vector compare should work the same as scalar.
+
+define <4 x i1> @vector_zext_slt(<4 x i16> %t4) {
+; CHECK-LABEL: @vector_zext_slt(
+; CHECK-NEXT: [[T5:%.*]] = zext <4 x i16> %t4 to <4 x i32>
+; CHECK-NEXT: [[T6:%.*]] = icmp ult <4 x i32> [[T5]], <i32 500, i32 0, i32 501, i32 65535>
+; CHECK-NEXT: ret <4 x i1> [[T6]]
+;
+ %t5 = zext <4 x i16> %t4 to <4 x i32>
+ %t6 = icmp slt <4 x i32> %t5, <i32 500, i32 0, i32 501, i32 65535>
+ ret <4 x i1> %t6
+}
+
OpenPOWER on IntegriCloud