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-rw-r--r--llvm/test/Transforms/InstCombine/shuffle-select-narrow.ll22
1 files changed, 14 insertions, 8 deletions
diff --git a/llvm/test/Transforms/InstCombine/shuffle-select-narrow.ll b/llvm/test/Transforms/InstCombine/shuffle-select-narrow.ll
index 031de813602..38974e2ec6e 100644
--- a/llvm/test/Transforms/InstCombine/shuffle-select-narrow.ll
+++ b/llvm/test/Transforms/InstCombine/shuffle-select-narrow.ll
@@ -5,9 +5,9 @@
define <2 x i8> @narrow_shuffle_of_select(<2 x i1> %cmp, <4 x i8> %x, <4 x i8> %y) {
; CHECK-LABEL: @narrow_shuffle_of_select(
-; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <4 x i8> [[X:%.*]], <4 x i8> undef, <2 x i32> <i32 0, i32 1>
-; CHECK-NEXT: [[TMP2:%.*]] = shufflevector <4 x i8> [[Y:%.*]], <4 x i8> undef, <2 x i32> <i32 0, i32 1>
-; CHECK-NEXT: [[R:%.*]] = select <2 x i1> [[CMP:%.*]], <2 x i8> [[TMP1]], <2 x i8> [[TMP2]]
+; CHECK-NEXT: [[WIDECMP:%.*]] = shufflevector <2 x i1> [[CMP:%.*]], <2 x i1> undef, <4 x i32> <i32 0, i32 1, i32 undef, i32 undef>
+; CHECK-NEXT: [[WIDESEL:%.*]] = select <4 x i1> [[WIDECMP]], <4 x i8> [[X:%.*]], <4 x i8> [[Y:%.*]]
+; CHECK-NEXT: [[R:%.*]] = shufflevector <4 x i8> [[WIDESEL]], <4 x i8> undef, <2 x i32> <i32 0, i32 1>
; CHECK-NEXT: ret <2 x i8> [[R]]
;
%widecmp = shufflevector <2 x i1> %cmp, <2 x i1> undef, <4 x i32> <i32 0, i32 1, i32 undef, i32 undef>
@@ -20,9 +20,9 @@ define <2 x i8> @narrow_shuffle_of_select(<2 x i1> %cmp, <4 x i8> %x, <4 x i8> %
define <3 x float> @narrow_shuffle_of_select_undefs(<3 x i1> %cmp, <4 x float> %x, <4 x float> %y) {
; CHECK-LABEL: @narrow_shuffle_of_select_undefs(
-; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <4 x float> [[X:%.*]], <4 x float> undef, <3 x i32> <i32 0, i32 1, i32 undef>
-; CHECK-NEXT: [[TMP2:%.*]] = shufflevector <4 x float> [[Y:%.*]], <4 x float> undef, <3 x i32> <i32 0, i32 1, i32 undef>
-; CHECK-NEXT: [[R:%.*]] = select <3 x i1> [[CMP:%.*]], <3 x float> [[TMP1]], <3 x float> [[TMP2]]
+; CHECK-NEXT: [[WIDECMP:%.*]] = shufflevector <3 x i1> [[CMP:%.*]], <3 x i1> undef, <4 x i32> <i32 undef, i32 1, i32 2, i32 undef>
+; CHECK-NEXT: [[WIDESEL:%.*]] = select <4 x i1> [[WIDECMP]], <4 x float> [[X:%.*]], <4 x float> [[Y:%.*]]
+; CHECK-NEXT: [[R:%.*]] = shufflevector <4 x float> [[WIDESEL]], <4 x float> undef, <3 x i32> <i32 0, i32 1, i32 undef>
; CHECK-NEXT: ret <3 x float> [[R]]
;
%widecmp = shufflevector <3 x i1> %cmp, <3 x i1> undef, <4 x i32> <i32 undef, i32 1, i32 2, i32 undef>
@@ -94,7 +94,9 @@ define <3 x i8> @narrow_shuffle_of_select_mismatch_types2(<4 x i1> %cmp, <6 x i8
define <2 x i8> @narrow_shuffle_of_select_consts(<2 x i1> %cmp) {
; CHECK-LABEL: @narrow_shuffle_of_select_consts(
-; CHECK-NEXT: [[R:%.*]] = select <2 x i1> [[CMP:%.*]], <2 x i8> <i8 -1, i8 -2>, <2 x i8> <i8 1, i8 2>
+; CHECK-NEXT: [[WIDECMP:%.*]] = shufflevector <2 x i1> [[CMP:%.*]], <2 x i1> undef, <4 x i32> <i32 0, i32 1, i32 undef, i32 undef>
+; CHECK-NEXT: [[WIDESEL:%.*]] = select <4 x i1> [[WIDECMP]], <4 x i8> <i8 -1, i8 -2, i8 undef, i8 undef>, <4 x i8> <i8 1, i8 2, i8 undef, i8 undef>
+; CHECK-NEXT: [[R:%.*]] = shufflevector <4 x i8> [[WIDESEL]], <4 x i8> undef, <2 x i32> <i32 0, i32 1>
; CHECK-NEXT: ret <2 x i8> [[R]]
;
%widecmp = shufflevector <2 x i1> %cmp, <2 x i1> undef, <4 x i32> <i32 0, i32 1, i32 undef, i32 undef>
@@ -108,7 +110,11 @@ define <2 x i8> @narrow_shuffle_of_select_consts(<2 x i1> %cmp) {
define <2 x i8> @narrow_shuffle_of_select_with_widened_ops(<2 x i1> %cmp, <2 x i8> %x, <2 x i8> %y) {
; CHECK-LABEL: @narrow_shuffle_of_select_with_widened_ops(
-; CHECK-NEXT: [[R:%.*]] = select <2 x i1> [[CMP:%.*]], <2 x i8> [[X:%.*]], <2 x i8> [[Y:%.*]]
+; CHECK-NEXT: [[WIDEX:%.*]] = shufflevector <2 x i8> [[X:%.*]], <2 x i8> undef, <4 x i32> <i32 0, i32 1, i32 undef, i32 undef>
+; CHECK-NEXT: [[WIDEY:%.*]] = shufflevector <2 x i8> [[Y:%.*]], <2 x i8> undef, <4 x i32> <i32 0, i32 1, i32 undef, i32 undef>
+; CHECK-NEXT: [[WIDECMP:%.*]] = shufflevector <2 x i1> [[CMP:%.*]], <2 x i1> undef, <4 x i32> <i32 0, i32 1, i32 undef, i32 undef>
+; CHECK-NEXT: [[WIDESEL:%.*]] = select <4 x i1> [[WIDECMP]], <4 x i8> [[WIDEX]], <4 x i8> [[WIDEY]]
+; CHECK-NEXT: [[R:%.*]] = shufflevector <4 x i8> [[WIDESEL]], <4 x i8> undef, <2 x i32> <i32 0, i32 1>
; CHECK-NEXT: ret <2 x i8> [[R]]
;
%widex = shufflevector <2 x i8> %x, <2 x i8> undef, <4 x i32> <i32 0, i32 1, i32 undef, i32 undef>
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