diff options
-rw-r--r-- | llvm/test/Transforms/InstCombine/shuffle-select-narrow.ll | 22 |
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> |