================
@@ -47,21 +47,12 @@ define <8 x i32> @concat_extract_subvectors_poison(<8 x
i32> %x) {
; broadcast loads are free on AVX (and blends are much cheap than general
2-operand shuffles)
define <4 x double> @blend_broadcasts_v4f64(ptr %p0, ptr %p1) {
-; SSE-LABEL: define <4 x double> @blend_broadcasts_v4f64(
-; SSE-SAME: ptr [[P0:%.*]], ptr [[P1:%.*]]) #[[ATTR0]] {
-; SSE-NEXT: [[LD0:%.*]] = load <4 x double>, ptr [[P0]], align 32
-; SSE-NEXT: [[LD1:%.*]] = load <4 x double>, ptr [[P1]], align 32
-; SSE-NEXT: [[BLEND:%.*]] = shufflevector <4 x double> [[LD0]], <4 x
double> [[LD1]], <4 x i32> <i32 0, i32 4, i32 4, i32 0>
-; SSE-NEXT: ret <4 x double> [[BLEND]]
-;
-; AVX-LABEL: define <4 x double> @blend_broadcasts_v4f64(
-; AVX-SAME: ptr [[P0:%.*]], ptr [[P1:%.*]]) #[[ATTR0]] {
-; AVX-NEXT: [[LD0:%.*]] = load <4 x double>, ptr [[P0]], align 32
-; AVX-NEXT: [[LD1:%.*]] = load <4 x double>, ptr [[P1]], align 32
-; AVX-NEXT: [[BCST0:%.*]] = shufflevector <4 x double> [[LD0]], <4 x
double> undef, <4 x i32> zeroinitializer
-; AVX-NEXT: [[BCST1:%.*]] = shufflevector <4 x double> [[LD1]], <4 x
double> undef, <4 x i32> zeroinitializer
-; AVX-NEXT: [[BLEND:%.*]] = shufflevector <4 x double> [[BCST0]], <4 x
double> [[BCST1]], <4 x i32> <i32 0, i32 5, i32 6, i32 3>
-; AVX-NEXT: ret <4 x double> [[BLEND]]
+; CHECK-LABEL: define <4 x double> @blend_broadcasts_v4f64(
+; CHECK-SAME: ptr [[P0:%.*]], ptr [[P1:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT: [[TMP1:%.*]] = load <1 x double>, ptr [[P0]], align 32
+; CHECK-NEXT: [[TMP2:%.*]] = load <1 x double>, ptr [[P1]], align 32
+; CHECK-NEXT: [[BLEND:%.*]] = shufflevector <1 x double> [[TMP1]], <1 x
double> [[TMP2]], <4 x i32> <i32 0, i32 1, i32 1, i32 0>
+; CHECK-NEXT: ret <4 x double> [[BLEND]]
;
----------------
PeddleSpam wrote:
I've created #135753 to fix this regression.
https://github.com/llvm/llvm-project/pull/128938
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