[llvm] be0d427 - [VectorCombine] Add insertelement-shufflevector VectorCombine tests
Matt Devereau via llvm-commits
llvm-commits at lists.llvm.org
Thu Oct 13 07:10:34 PDT 2022
Author: Matt Devereau
Date: 2022-10-13T14:10:06Z
New Revision: be0d427a149aa52aa2fe284ead2f2c1a2578a70f
URL: https://github.com/llvm/llvm-project/commit/be0d427a149aa52aa2fe284ead2f2c1a2578a70f
DIFF: https://github.com/llvm/llvm-project/commit/be0d427a149aa52aa2fe284ead2f2c1a2578a70f.diff
LOG: [VectorCombine] Add insertelement-shufflevector VectorCombine tests
This is a precommit which adds some tests to show the functionality of an
upcoming VectorCombine optimization
Added:
llvm/test/Transforms/VectorCombine/AArch64/insert-shuffle-binop.ll
Modified:
Removed:
################################################################################
diff --git a/llvm/test/Transforms/VectorCombine/AArch64/insert-shuffle-binop.ll b/llvm/test/Transforms/VectorCombine/AArch64/insert-shuffle-binop.ll
new file mode 100644
index 0000000000000..c75f53bc68583
--- /dev/null
+++ b/llvm/test/Transforms/VectorCombine/AArch64/insert-shuffle-binop.ll
@@ -0,0 +1,216 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt -passes='vector-combine' -S %s | FileCheck %s
+
+target triple = "aarch64-none-eabi"
+
+define <vscale x 4 x float> @fadd_vscale_insertelt_a_shuffle_insert_b(float %0, float %1) {
+; CHECK-LABEL: @fadd_vscale_insertelt_a_shuffle_insert_b(
+; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 4 x float> poison, float [[TMP0:%.*]], i64 0
+; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 4 x float> [[BROADCAST_SPLATINSERT]], <vscale x 4 x float> poison, <vscale x 4 x i32> zeroinitializer
+; CHECK-NEXT: [[BROADCAST_SPLATINSERT2:%.*]] = insertelement <vscale x 4 x float> poison, float [[TMP1:%.*]], i64 0
+; CHECK-NEXT: [[R:%.*]] = fadd fast <vscale x 4 x float> [[BROADCAST_SPLATINSERT2]], [[BROADCAST_SPLAT]]
+; CHECK-NEXT: [[TMP3:%.*]] = shufflevector <vscale x 4 x float> [[R]], <vscale x 4 x float> poison, <vscale x 4 x i32> zeroinitializer
+; CHECK-NEXT: ret <vscale x 4 x float> [[TMP3]]
+;
+ %broadcast.splatinsert = insertelement <vscale x 4 x float> poison, float %0, i64 0
+ %broadcast.splat = shufflevector <vscale x 4 x float> %broadcast.splatinsert, <vscale x 4 x float> poison, <vscale x 4 x i32> zeroinitializer
+ %broadcast.splatinsert2 = insertelement <vscale x 4 x float> poison, float %1, i64 0
+ %r = fadd fast <vscale x 4 x float> %broadcast.splatinsert2, %broadcast.splat
+ %3 = shufflevector <vscale x 4 x float> %r, <vscale x 4 x float> poison, <vscale x 4 x i32> zeroinitializer
+ ret <vscale x 4 x float> %3
+}
+
+define <4 x float> @fadd_fixed_insertelt_a_shuffle_insert_b(float %0, float %1) {
+; CHECK-LABEL: @fadd_fixed_insertelt_a_shuffle_insert_b(
+; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x float> poison, float [[TMP0:%.*]], i64 0
+; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x float> [[BROADCAST_SPLATINSERT]], <4 x float> poison, <4 x i32> zeroinitializer
+; CHECK-NEXT: [[BROADCAST_SPLATINSERT2:%.*]] = insertelement <4 x float> poison, float [[TMP1:%.*]], i64 0
+; CHECK-NEXT: [[R:%.*]] = fadd fast <4 x float> [[BROADCAST_SPLATINSERT2]], [[BROADCAST_SPLAT]]
+; CHECK-NEXT: [[TMP3:%.*]] = shufflevector <4 x float> [[R]], <4 x float> poison, <4 x i32> zeroinitializer
+; CHECK-NEXT: ret <4 x float> [[TMP3]]
+;
+ %broadcast.splatinsert = insertelement <4 x float> poison, float %0, i64 0
+ %broadcast.splat = shufflevector <4 x float> %broadcast.splatinsert, <4 x float> poison, <4 x i32> zeroinitializer
+ %broadcast.splatinsert2 = insertelement <4 x float> poison, float %1, i64 0
+ %r = fadd fast <4 x float> %broadcast.splatinsert2, %broadcast.splat
+ %3 = shufflevector <4 x float> %r, <4 x float> poison, <4 x i32> zeroinitializer
+ ret <4 x float> %3
+}
+
+define <vscale x 4 x float> @fsub_vscale_insertelt_a_shuffle_insert_b(float %0, float %1) {
+; CHECK-LABEL: @fsub_vscale_insertelt_a_shuffle_insert_b(
+; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 4 x float> poison, float [[TMP0:%.*]], i64 0
+; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 4 x float> [[BROADCAST_SPLATINSERT]], <vscale x 4 x float> poison, <vscale x 4 x i32> zeroinitializer
+; CHECK-NEXT: [[BROADCAST_SPLATINSERT2:%.*]] = insertelement <vscale x 4 x float> poison, float [[TMP1:%.*]], i64 0
+; CHECK-NEXT: [[R:%.*]] = fsub fast <vscale x 4 x float> [[BROADCAST_SPLATINSERT2]], [[BROADCAST_SPLAT]]
+; CHECK-NEXT: [[TMP3:%.*]] = shufflevector <vscale x 4 x float> [[R]], <vscale x 4 x float> poison, <vscale x 4 x i32> zeroinitializer
+; CHECK-NEXT: ret <vscale x 4 x float> [[TMP3]]
+;
+ %broadcast.splatinsert = insertelement <vscale x 4 x float> poison, float %0, i64 0
+ %broadcast.splat = shufflevector <vscale x 4 x float> %broadcast.splatinsert, <vscale x 4 x float> poison, <vscale x 4 x i32> zeroinitializer
+ %broadcast.splatinsert2 = insertelement <vscale x 4 x float> poison, float %1, i64 0
+ %r = fsub fast <vscale x 4 x float> %broadcast.splatinsert2, %broadcast.splat
+ %3 = shufflevector <vscale x 4 x float> %r, <vscale x 4 x float> poison, <vscale x 4 x i32> zeroinitializer
+ ret <vscale x 4 x float> %3
+}
+
+define <4 x float> @fsub_fixed_insertelt_a_shuffle_insert_b(float %0, float %1) {
+; CHECK-LABEL: @fsub_fixed_insertelt_a_shuffle_insert_b(
+; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x float> poison, float [[TMP0:%.*]], i64 0
+; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x float> [[BROADCAST_SPLATINSERT]], <4 x float> poison, <4 x i32> zeroinitializer
+; CHECK-NEXT: [[BROADCAST_SPLATINSERT2:%.*]] = insertelement <4 x float> poison, float [[TMP1:%.*]], i64 0
+; CHECK-NEXT: [[R:%.*]] = fsub fast <4 x float> [[BROADCAST_SPLATINSERT2]], [[BROADCAST_SPLAT]]
+; CHECK-NEXT: [[TMP3:%.*]] = shufflevector <4 x float> [[R]], <4 x float> poison, <4 x i32> zeroinitializer
+; CHECK-NEXT: ret <4 x float> [[TMP3]]
+;
+ %broadcast.splatinsert = insertelement <4 x float> poison, float %0, i64 0
+ %broadcast.splat = shufflevector <4 x float> %broadcast.splatinsert, <4 x float> poison, <4 x i32> zeroinitializer
+ %broadcast.splatinsert2 = insertelement <4 x float> poison, float %1, i64 0
+ %r = fsub fast <4 x float> %broadcast.splatinsert2, %broadcast.splat
+ %3 = shufflevector <4 x float> %r, <4 x float> poison, <4 x i32> zeroinitializer
+ ret <4 x float> %3
+}
+
+define <vscale x 4 x float> @fadd_vscale_shuffle_insert_a_insert_b(float %0, float %1) {
+; CHECK-LABEL: @fadd_vscale_shuffle_insert_a_insert_b(
+; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 4 x float> poison, float [[TMP0:%.*]], i64 0
+; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 4 x float> [[BROADCAST_SPLATINSERT]], <vscale x 4 x float> poison, <vscale x 4 x i32> zeroinitializer
+; CHECK-NEXT: [[BROADCAST_SPLATINSERT2:%.*]] = insertelement <vscale x 4 x float> poison, float [[TMP1:%.*]], i64 0
+; CHECK-NEXT: [[R:%.*]] = fadd fast <vscale x 4 x float> [[BROADCAST_SPLAT]], [[BROADCAST_SPLATINSERT2]]
+; CHECK-NEXT: [[TMP3:%.*]] = shufflevector <vscale x 4 x float> [[R]], <vscale x 4 x float> poison, <vscale x 4 x i32> zeroinitializer
+; CHECK-NEXT: ret <vscale x 4 x float> [[TMP3]]
+;
+ %broadcast.splatinsert = insertelement <vscale x 4 x float> poison, float %0, i64 0
+ %broadcast.splat = shufflevector <vscale x 4 x float> %broadcast.splatinsert, <vscale x 4 x float> poison, <vscale x 4 x i32> zeroinitializer
+ %broadcast.splatinsert2 = insertelement <vscale x 4 x float> poison, float %1, i64 0
+ %r = fadd fast <vscale x 4 x float> %broadcast.splat, %broadcast.splatinsert2
+ %3 = shufflevector <vscale x 4 x float> %r, <vscale x 4 x float> poison, <vscale x 4 x i32> zeroinitializer
+ ret <vscale x 4 x float> %3
+}
+
+define <4 x float> @fadd_fixed_shuffle_insert_a_insert_b(float %0, float %1) {
+; CHECK-LABEL: @fadd_fixed_shuffle_insert_a_insert_b(
+; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x float> poison, float [[TMP0:%.*]], i64 0
+; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x float> [[BROADCAST_SPLATINSERT]], <4 x float> poison, <4 x i32> zeroinitializer
+; CHECK-NEXT: [[BROADCAST_SPLATINSERT2:%.*]] = insertelement <4 x float> poison, float [[TMP1:%.*]], i64 0
+; CHECK-NEXT: [[R:%.*]] = fadd fast <4 x float> [[BROADCAST_SPLAT]], [[BROADCAST_SPLATINSERT2]]
+; CHECK-NEXT: [[TMP3:%.*]] = shufflevector <4 x float> [[R]], <4 x float> poison, <4 x i32> zeroinitializer
+; CHECK-NEXT: ret <4 x float> [[TMP3]]
+;
+ %broadcast.splatinsert = insertelement <4 x float> poison, float %0, i64 0
+ %broadcast.splat = shufflevector <4 x float> %broadcast.splatinsert, <4 x float> poison, <4 x i32> zeroinitializer
+ %broadcast.splatinsert2 = insertelement <4 x float> poison, float %1, i64 0
+ %r = fadd fast <4 x float> %broadcast.splat, %broadcast.splatinsert2
+ %3 = shufflevector <4 x float> %r, <4 x float> poison, <4 x i32> zeroinitializer
+ ret <4 x float> %3
+}
+
+define <vscale x 4 x float> @fsub_vscale_shuffle_insert_a_insert_b(float %0, float %1) {
+; CHECK-LABEL: @fsub_vscale_shuffle_insert_a_insert_b(
+; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 4 x float> poison, float [[TMP0:%.*]], i64 0
+; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 4 x float> [[BROADCAST_SPLATINSERT]], <vscale x 4 x float> poison, <vscale x 4 x i32> zeroinitializer
+; CHECK-NEXT: [[BROADCAST_SPLATINSERT2:%.*]] = insertelement <vscale x 4 x float> poison, float [[TMP1:%.*]], i64 0
+; CHECK-NEXT: [[R:%.*]] = fsub fast <vscale x 4 x float> [[BROADCAST_SPLAT]], [[BROADCAST_SPLATINSERT2]]
+; CHECK-NEXT: [[TMP3:%.*]] = shufflevector <vscale x 4 x float> [[R]], <vscale x 4 x float> poison, <vscale x 4 x i32> zeroinitializer
+; CHECK-NEXT: ret <vscale x 4 x float> [[TMP3]]
+;
+ %broadcast.splatinsert = insertelement <vscale x 4 x float> poison, float %0, i64 0
+ %broadcast.splat = shufflevector <vscale x 4 x float> %broadcast.splatinsert, <vscale x 4 x float> poison, <vscale x 4 x i32> zeroinitializer
+ %broadcast.splatinsert2 = insertelement <vscale x 4 x float> poison, float %1, i64 0
+ %r = fsub fast <vscale x 4 x float> %broadcast.splat, %broadcast.splatinsert2
+ %3 = shufflevector <vscale x 4 x float> %r, <vscale x 4 x float> poison, <vscale x 4 x i32> zeroinitializer
+ ret <vscale x 4 x float> %3
+}
+
+define <4 x float> @fsub_fixed_shuffle_insert_a_insert_b(float %0, float %1) {
+; CHECK-LABEL: @fsub_fixed_shuffle_insert_a_insert_b(
+; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x float> poison, float [[TMP0:%.*]], i64 0
+; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x float> [[BROADCAST_SPLATINSERT]], <4 x float> poison, <4 x i32> zeroinitializer
+; CHECK-NEXT: [[BROADCAST_SPLATINSERT2:%.*]] = insertelement <4 x float> poison, float [[TMP1:%.*]], i64 0
+; CHECK-NEXT: [[R:%.*]] = fsub fast <4 x float> [[BROADCAST_SPLAT]], [[BROADCAST_SPLATINSERT2]]
+; CHECK-NEXT: [[TMP3:%.*]] = shufflevector <4 x float> [[R]], <4 x float> poison, <4 x i32> zeroinitializer
+; CHECK-NEXT: ret <4 x float> [[TMP3]]
+;
+ %broadcast.splatinsert = insertelement <4 x float> poison, float %0, i64 0
+ %broadcast.splat = shufflevector <4 x float> %broadcast.splatinsert, <4 x float> poison, <4 x i32> zeroinitializer
+ %broadcast.splatinsert2 = insertelement <4 x float> poison, float %1, i64 0
+ %r = fsub fast <4 x float> %broadcast.splat, %broadcast.splatinsert2
+ %3 = shufflevector <4 x float> %r, <4 x float> poison, <4 x i32> zeroinitializer
+ ret <4 x float> %3
+}
+
+define <vscale x 4 x float> @fadd_vscale_shuffle_insert_a_shuffle_insert_b(float %0, float %1) {
+; CHECK-LABEL: @fadd_vscale_shuffle_insert_a_shuffle_insert_b(
+; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 4 x float> poison, float [[TMP0:%.*]], i64 0
+; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 4 x float> [[BROADCAST_SPLATINSERT]], <vscale x 4 x float> poison, <vscale x 4 x i32> zeroinitializer
+; CHECK-NEXT: [[BROADCAST_SPLATINSERT2:%.*]] = insertelement <vscale x 4 x float> poison, float [[TMP1:%.*]], i64 0
+; CHECK-NEXT: [[BROADCAST_SPLAT2:%.*]] = shufflevector <vscale x 4 x float> [[BROADCAST_SPLATINSERT2]], <vscale x 4 x float> poison, <vscale x 4 x i32> zeroinitializer
+; CHECK-NEXT: [[R:%.*]] = fadd fast <vscale x 4 x float> [[BROADCAST_SPLAT]], [[BROADCAST_SPLAT2]]
+; CHECK-NEXT: [[TMP3:%.*]] = shufflevector <vscale x 4 x float> [[R]], <vscale x 4 x float> poison, <vscale x 4 x i32> zeroinitializer
+; CHECK-NEXT: ret <vscale x 4 x float> [[TMP3]]
+;
+ %broadcast.splatinsert = insertelement <vscale x 4 x float> poison, float %0, i64 0
+ %broadcast.splat = shufflevector <vscale x 4 x float> %broadcast.splatinsert, <vscale x 4 x float> poison, <vscale x 4 x i32> zeroinitializer
+ %broadcast.splatinsert2 = insertelement <vscale x 4 x float> poison, float %1, i64 0
+ %broadcast.splat2 = shufflevector <vscale x 4 x float> %broadcast.splatinsert2, <vscale x 4 x float> poison, <vscale x 4 x i32> zeroinitializer
+ %r = fadd fast <vscale x 4 x float> %broadcast.splat, %broadcast.splat2
+ %3 = shufflevector <vscale x 4 x float> %r, <vscale x 4 x float> poison, <vscale x 4 x i32> zeroinitializer
+ ret <vscale x 4 x float> %3
+}
+
+define <4 x float> @fadd_fixed_shuffle_insert_a_shuffle_insert_b(float %0, float %1) {
+; CHECK-LABEL: @fadd_fixed_shuffle_insert_a_shuffle_insert_b(
+; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x float> poison, float [[TMP0:%.*]], i64 0
+; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x float> [[BROADCAST_SPLATINSERT]], <4 x float> poison, <4 x i32> zeroinitializer
+; CHECK-NEXT: [[BROADCAST_SPLATINSERT2:%.*]] = insertelement <4 x float> poison, float [[TMP1:%.*]], i64 0
+; CHECK-NEXT: [[BROADCAST_SPLAT2:%.*]] = shufflevector <4 x float> [[BROADCAST_SPLATINSERT2]], <4 x float> poison, <4 x i32> zeroinitializer
+; CHECK-NEXT: [[R:%.*]] = fadd fast <4 x float> [[BROADCAST_SPLAT]], [[BROADCAST_SPLAT2]]
+; CHECK-NEXT: [[TMP3:%.*]] = shufflevector <4 x float> [[R]], <4 x float> poison, <4 x i32> zeroinitializer
+; CHECK-NEXT: ret <4 x float> [[TMP3]]
+;
+ %broadcast.splatinsert = insertelement <4 x float> poison, float %0, i64 0
+ %broadcast.splat = shufflevector <4 x float> %broadcast.splatinsert, <4 x float> poison, <4 x i32> zeroinitializer
+ %broadcast.splatinsert2 = insertelement <4 x float> poison, float %1, i64 0
+ %broadcast.splat2 = shufflevector <4 x float> %broadcast.splatinsert2, <4 x float> poison, <4 x i32> zeroinitializer
+ %r = fadd fast <4 x float> %broadcast.splat, %broadcast.splat2
+ %3 = shufflevector <4 x float> %r, <4 x float> poison, <4 x i32> zeroinitializer
+ ret <4 x float> %3
+}
+
+define <vscale x 4 x float> @fsub_vscale_shuffle_insert_a_shuffle_insert_b(float %0, float %1) {
+; CHECK-LABEL: @fsub_vscale_shuffle_insert_a_shuffle_insert_b(
+; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 4 x float> poison, float [[TMP0:%.*]], i64 0
+; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 4 x float> [[BROADCAST_SPLATINSERT]], <vscale x 4 x float> poison, <vscale x 4 x i32> zeroinitializer
+; CHECK-NEXT: [[BROADCAST_SPLATINSERT2:%.*]] = insertelement <vscale x 4 x float> poison, float [[TMP1:%.*]], i64 0
+; CHECK-NEXT: [[BROADCAST_SPLAT2:%.*]] = shufflevector <vscale x 4 x float> [[BROADCAST_SPLATINSERT2]], <vscale x 4 x float> poison, <vscale x 4 x i32> zeroinitializer
+; CHECK-NEXT: [[R:%.*]] = fsub fast <vscale x 4 x float> [[BROADCAST_SPLAT]], [[BROADCAST_SPLAT2]]
+; CHECK-NEXT: [[TMP3:%.*]] = shufflevector <vscale x 4 x float> [[R]], <vscale x 4 x float> poison, <vscale x 4 x i32> zeroinitializer
+; CHECK-NEXT: ret <vscale x 4 x float> [[TMP3]]
+;
+ %broadcast.splatinsert = insertelement <vscale x 4 x float> poison, float %0, i64 0
+ %broadcast.splat = shufflevector <vscale x 4 x float> %broadcast.splatinsert, <vscale x 4 x float> poison, <vscale x 4 x i32> zeroinitializer
+ %broadcast.splatinsert2 = insertelement <vscale x 4 x float> poison, float %1, i64 0
+ %broadcast.splat2 = shufflevector <vscale x 4 x float> %broadcast.splatinsert2, <vscale x 4 x float> poison, <vscale x 4 x i32> zeroinitializer
+ %r = fsub fast <vscale x 4 x float> %broadcast.splat, %broadcast.splat2
+ %3 = shufflevector <vscale x 4 x float> %r, <vscale x 4 x float> poison, <vscale x 4 x i32> zeroinitializer
+ ret <vscale x 4 x float> %3
+}
+
+define <4 x float> @fsub_fixed_shuffle_insert_a_shuffle_insert_b(float %0, float %1) {
+; CHECK-LABEL: @fsub_fixed_shuffle_insert_a_shuffle_insert_b(
+; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x float> poison, float [[TMP0:%.*]], i64 0
+; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x float> [[BROADCAST_SPLATINSERT]], <4 x float> poison, <4 x i32> zeroinitializer
+; CHECK-NEXT: [[BROADCAST_SPLATINSERT2:%.*]] = insertelement <4 x float> poison, float [[TMP1:%.*]], i64 0
+; CHECK-NEXT: [[BROADCAST_SPLAT2:%.*]] = shufflevector <4 x float> [[BROADCAST_SPLATINSERT2]], <4 x float> poison, <4 x i32> zeroinitializer
+; CHECK-NEXT: [[R:%.*]] = fsub fast <4 x float> [[BROADCAST_SPLAT]], [[BROADCAST_SPLAT2]]
+; CHECK-NEXT: [[TMP3:%.*]] = shufflevector <4 x float> [[R]], <4 x float> poison, <4 x i32> zeroinitializer
+; CHECK-NEXT: ret <4 x float> [[TMP3]]
+;
+ %broadcast.splatinsert = insertelement <4 x float> poison, float %0, i64 0
+ %broadcast.splat = shufflevector <4 x float> %broadcast.splatinsert, <4 x float> poison, <4 x i32> zeroinitializer
+ %broadcast.splatinsert2 = insertelement <4 x float> poison, float %1, i64 0
+ %broadcast.splat2 = shufflevector <4 x float> %broadcast.splatinsert2, <4 x float> poison, <4 x i32> zeroinitializer
+ %r = fsub fast <4 x float> %broadcast.splat, %broadcast.splat2
+ %3 = shufflevector <4 x float> %r, <4 x float> poison, <4 x i32> zeroinitializer
+ ret <4 x float> %3
+}
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