forked from OSchip/llvm-project
308 lines
12 KiB
LLVM
308 lines
12 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -vector-combine -mtriple=arm64-apple-darwinos -S %s | FileCheck %s
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define i32 @load_extract_idx_0(<4 x i32>* %x) {
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; CHECK-LABEL: @load_extract_idx_0(
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; CHECK-NEXT: [[LV:%.*]] = load <4 x i32>, <4 x i32>* [[X:%.*]], align 16
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; CHECK-NEXT: [[R:%.*]] = extractelement <4 x i32> [[LV]], i32 3
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; CHECK-NEXT: ret i32 [[R]]
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;
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%lv = load <4 x i32>, <4 x i32>* %x
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%r = extractelement <4 x i32> %lv, i32 3
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ret i32 %r
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}
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define i32 @load_extract_idx_1(<4 x i32>* %x) {
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; CHECK-LABEL: @load_extract_idx_1(
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; CHECK-NEXT: [[LV:%.*]] = load <4 x i32>, <4 x i32>* [[X:%.*]], align 16
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; CHECK-NEXT: [[R:%.*]] = extractelement <4 x i32> [[LV]], i32 1
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; CHECK-NEXT: ret i32 [[R]]
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;
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%lv = load <4 x i32>, <4 x i32>* %x
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%r = extractelement <4 x i32> %lv, i32 1
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ret i32 %r
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}
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define i32 @load_extract_idx_2(<4 x i32>* %x) {
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; CHECK-LABEL: @load_extract_idx_2(
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; CHECK-NEXT: [[LV:%.*]] = load <4 x i32>, <4 x i32>* [[X:%.*]], align 16
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; CHECK-NEXT: [[R:%.*]] = extractelement <4 x i32> [[LV]], i32 2
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; CHECK-NEXT: ret i32 [[R]]
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;
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%lv = load <4 x i32>, <4 x i32>* %x
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%r = extractelement <4 x i32> %lv, i32 2
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ret i32 %r
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}
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define i32 @load_extract_idx_3(<4 x i32>* %x) {
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; CHECK-LABEL: @load_extract_idx_3(
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; CHECK-NEXT: [[LV:%.*]] = load <4 x i32>, <4 x i32>* [[X:%.*]], align 16
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; CHECK-NEXT: [[R:%.*]] = extractelement <4 x i32> [[LV]], i32 3
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; CHECK-NEXT: ret i32 [[R]]
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;
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%lv = load <4 x i32>, <4 x i32>* %x
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%r = extractelement <4 x i32> %lv, i32 3
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ret i32 %r
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}
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define i32 @load_extract_idx_var_i64(<4 x i32>* %x, i64 %idx) {
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; CHECK-LABEL: @load_extract_idx_var_i64(
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; CHECK-NEXT: [[LV:%.*]] = load <4 x i32>, <4 x i32>* [[X:%.*]], align 16
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; CHECK-NEXT: [[R:%.*]] = extractelement <4 x i32> [[LV]], i64 [[IDX:%.*]]
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; CHECK-NEXT: ret i32 [[R]]
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;
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%lv = load <4 x i32>, <4 x i32>* %x
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%r = extractelement <4 x i32> %lv, i64 %idx
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ret i32 %r
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}
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define i32 @load_extract_idx_var_i32(<4 x i32>* %x, i32 %idx) {
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; CHECK-LABEL: @load_extract_idx_var_i32(
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; CHECK-NEXT: [[LV:%.*]] = load <4 x i32>, <4 x i32>* [[X:%.*]], align 16
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; CHECK-NEXT: [[R:%.*]] = extractelement <4 x i32> [[LV]], i32 [[IDX:%.*]]
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; CHECK-NEXT: ret i32 [[R]]
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;
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%lv = load <4 x i32>, <4 x i32>* %x
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%r = extractelement <4 x i32> %lv, i32 %idx
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ret i32 %r
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}
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declare void @clobber()
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define i32 @load_extract_clobber_call_before(<4 x i32>* %x) {
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; CHECK-LABEL: @load_extract_clobber_call_before(
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; CHECK-NEXT: call void @clobber()
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; CHECK-NEXT: [[LV:%.*]] = load <4 x i32>, <4 x i32>* [[X:%.*]], align 16
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; CHECK-NEXT: [[R:%.*]] = extractelement <4 x i32> [[LV]], i32 2
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; CHECK-NEXT: ret i32 [[R]]
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;
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call void @clobber()
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%lv = load <4 x i32>, <4 x i32>* %x
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%r = extractelement <4 x i32> %lv, i32 2
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ret i32 %r
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}
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define i32 @load_extract_clobber_call_between(<4 x i32>* %x) {
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; CHECK-LABEL: @load_extract_clobber_call_between(
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; CHECK-NEXT: [[LV:%.*]] = load <4 x i32>, <4 x i32>* [[X:%.*]], align 16
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; CHECK-NEXT: call void @clobber()
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; CHECK-NEXT: [[R:%.*]] = extractelement <4 x i32> [[LV]], i32 2
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; CHECK-NEXT: ret i32 [[R]]
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;
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%lv = load <4 x i32>, <4 x i32>* %x
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call void @clobber()
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%r = extractelement <4 x i32> %lv, i32 2
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ret i32 %r
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}
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define i32 @load_extract_clobber_call_after(<4 x i32>* %x) {
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; CHECK-LABEL: @load_extract_clobber_call_after(
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; CHECK-NEXT: [[LV:%.*]] = load <4 x i32>, <4 x i32>* [[X:%.*]], align 16
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; CHECK-NEXT: [[R:%.*]] = extractelement <4 x i32> [[LV]], i32 2
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; CHECK-NEXT: call void @clobber()
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; CHECK-NEXT: ret i32 [[R]]
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;
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%lv = load <4 x i32>, <4 x i32>* %x
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%r = extractelement <4 x i32> %lv, i32 2
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call void @clobber()
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ret i32 %r
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}
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define i32 @load_extract_clobber_store_before(<4 x i32>* %x, i8* %y) {
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; CHECK-LABEL: @load_extract_clobber_store_before(
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; CHECK-NEXT: store i8 0, i8* [[Y:%.*]], align 1
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; CHECK-NEXT: [[LV:%.*]] = load <4 x i32>, <4 x i32>* [[X:%.*]], align 16
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; CHECK-NEXT: [[R:%.*]] = extractelement <4 x i32> [[LV]], i32 2
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; CHECK-NEXT: ret i32 [[R]]
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;
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store i8 0, i8* %y
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%lv = load <4 x i32>, <4 x i32>* %x
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%r = extractelement <4 x i32> %lv, i32 2
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ret i32 %r
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}
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define i32 @load_extract_clobber_store_between(<4 x i32>* %x, i8* %y) {
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; CHECK-LABEL: @load_extract_clobber_store_between(
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; CHECK-NEXT: [[LV:%.*]] = load <4 x i32>, <4 x i32>* [[X:%.*]], align 16
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; CHECK-NEXT: store i8 0, i8* [[Y:%.*]], align 1
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; CHECK-NEXT: [[R:%.*]] = extractelement <4 x i32> [[LV]], i32 2
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; CHECK-NEXT: ret i32 [[R]]
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;
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%lv = load <4 x i32>, <4 x i32>* %x
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store i8 0, i8* %y
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%r = extractelement <4 x i32> %lv, i32 2
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ret i32 %r
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}
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define i32 @load_extract_clobber_store_between_limit(<4 x i32>* %x, i8* %y, <8 x i32> %z) {
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; CHECK-LABEL: @load_extract_clobber_store_between_limit(
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; CHECK-NEXT: [[LV:%.*]] = load <4 x i32>, <4 x i32>* [[X:%.*]], align 16
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; CHECK-NEXT: [[Z_0:%.*]] = extractelement <8 x i32> [[Z:%.*]], i32 0
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; CHECK-NEXT: [[Z_1:%.*]] = extractelement <8 x i32> [[Z]], i32 1
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; CHECK-NEXT: [[ADD_0:%.*]] = add i32 [[Z_0]], [[Z_1]]
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; CHECK-NEXT: [[Z_2:%.*]] = extractelement <8 x i32> [[Z]], i32 2
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; CHECK-NEXT: [[ADD_1:%.*]] = add i32 [[ADD_0]], [[Z_2]]
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; CHECK-NEXT: [[Z_3:%.*]] = extractelement <8 x i32> [[Z]], i32 3
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; CHECK-NEXT: [[ADD_2:%.*]] = add i32 [[ADD_1]], [[Z_3]]
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; CHECK-NEXT: [[Z_4:%.*]] = extractelement <8 x i32> [[Z]], i32 4
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; CHECK-NEXT: [[ADD_3:%.*]] = add i32 [[ADD_2]], [[Z_4]]
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; CHECK-NEXT: store i8 0, i8* [[Y:%.*]], align 1
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; CHECK-NEXT: [[R:%.*]] = extractelement <4 x i32> [[LV]], i32 2
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; CHECK-NEXT: [[ADD_4:%.*]] = add i32 [[ADD_3]], [[R]]
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; CHECK-NEXT: ret i32 [[ADD_4]]
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;
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%lv = load <4 x i32>, <4 x i32>* %x
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%z.0 = extractelement <8 x i32> %z, i32 0
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%z.1 = extractelement <8 x i32> %z, i32 1
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%add.0 = add i32 %z.0, %z.1
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%z.2 = extractelement <8 x i32> %z, i32 2
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%add.1 = add i32 %add.0, %z.2
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%z.3 = extractelement <8 x i32> %z, i32 3
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%add.2 = add i32 %add.1, %z.3
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%z.4 = extractelement <8 x i32> %z, i32 4
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%add.3 = add i32 %add.2, %z.4
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store i8 0, i8* %y
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%r = extractelement <4 x i32> %lv, i32 2
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%add.4 = add i32 %add.3, %r
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ret i32 %add.4
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}
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define i32 @load_extract_clobber_store_after_limit(<4 x i32>* %x, i8* %y, <8 x i32> %z) {
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; CHECK-LABEL: @load_extract_clobber_store_after_limit(
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; CHECK-NEXT: [[LV:%.*]] = load <4 x i32>, <4 x i32>* [[X:%.*]], align 16
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; CHECK-NEXT: [[Z_0:%.*]] = extractelement <8 x i32> [[Z:%.*]], i32 0
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; CHECK-NEXT: [[Z_1:%.*]] = extractelement <8 x i32> [[Z]], i32 1
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; CHECK-NEXT: [[ADD_0:%.*]] = add i32 [[Z_0]], [[Z_1]]
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; CHECK-NEXT: [[Z_2:%.*]] = extractelement <8 x i32> [[Z]], i32 2
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; CHECK-NEXT: [[ADD_1:%.*]] = add i32 [[ADD_0]], [[Z_2]]
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; CHECK-NEXT: [[Z_3:%.*]] = extractelement <8 x i32> [[Z]], i32 3
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; CHECK-NEXT: [[ADD_2:%.*]] = add i32 [[ADD_1]], [[Z_3]]
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; CHECK-NEXT: [[Z_4:%.*]] = extractelement <8 x i32> [[Z]], i32 4
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; CHECK-NEXT: [[ADD_3:%.*]] = add i32 [[ADD_2]], [[Z_4]]
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; CHECK-NEXT: [[R:%.*]] = extractelement <4 x i32> [[LV]], i32 2
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; CHECK-NEXT: store i8 0, i8* [[Y:%.*]], align 1
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; CHECK-NEXT: [[ADD_4:%.*]] = add i32 [[ADD_3]], [[R]]
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; CHECK-NEXT: ret i32 [[ADD_4]]
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;
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%lv = load <4 x i32>, <4 x i32>* %x
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%z.0 = extractelement <8 x i32> %z, i32 0
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%z.1 = extractelement <8 x i32> %z, i32 1
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%add.0 = add i32 %z.0, %z.1
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%z.2 = extractelement <8 x i32> %z, i32 2
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%add.1 = add i32 %add.0, %z.2
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%z.3 = extractelement <8 x i32> %z, i32 3
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%add.2 = add i32 %add.1, %z.3
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%z.4 = extractelement <8 x i32> %z, i32 4
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%add.3 = add i32 %add.2, %z.4
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%r = extractelement <4 x i32> %lv, i32 2
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store i8 0, i8* %y
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%add.4 = add i32 %add.3, %r
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ret i32 %add.4
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}
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declare void @use.v4i32(<4 x i32>)
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define i32 @load_extract_idx_different_bbs(<4 x i32>* %x, i1 %c) {
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; CHECK-LABEL: @load_extract_idx_different_bbs(
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; CHECK-NEXT: [[LV:%.*]] = load <4 x i32>, <4 x i32>* [[X:%.*]], align 16
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; CHECK-NEXT: br i1 [[C:%.*]], label [[THEN:%.*]], label [[ELSE:%.*]]
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; CHECK: then:
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; CHECK-NEXT: [[R:%.*]] = extractelement <4 x i32> [[LV]], i32 1
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; CHECK-NEXT: ret i32 [[R]]
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; CHECK: else:
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; CHECK-NEXT: call void @use.v4i32(<4 x i32> [[LV]])
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; CHECK-NEXT: ret i32 20
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;
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%lv = load <4 x i32>, <4 x i32>* %x
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br i1 %c, label %then, label %else
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then:
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%r = extractelement <4 x i32> %lv, i32 1
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ret i32 %r
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else:
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call void @use.v4i32(<4 x i32> %lv)
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ret i32 20
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}
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define i31 @load_with_non_power_of_2_element_type(<4 x i31>* %x) {
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; CHECK-LABEL: @load_with_non_power_of_2_element_type(
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; CHECK-NEXT: [[LV:%.*]] = load <4 x i31>, <4 x i31>* [[X:%.*]], align 16
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; CHECK-NEXT: [[R:%.*]] = extractelement <4 x i31> [[LV]], i32 1
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; CHECK-NEXT: ret i31 [[R]]
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;
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%lv = load <4 x i31>, <4 x i31>* %x
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%r = extractelement <4 x i31> %lv, i32 1
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ret i31 %r
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}
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; Scalarizing the load for multiple constant indices may not be profitable.
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define i32 @load_multiple_extracts_with_constant_idx(<4 x i32>* %x) {
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; CHECK-LABEL: @load_multiple_extracts_with_constant_idx(
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; CHECK-NEXT: [[LV:%.*]] = load <4 x i32>, <4 x i32>* [[X:%.*]], align 16
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; CHECK-NEXT: [[SHIFT:%.*]] = shufflevector <4 x i32> [[LV]], <4 x i32> poison, <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>
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; CHECK-NEXT: [[TMP1:%.*]] = add <4 x i32> [[LV]], [[SHIFT]]
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; CHECK-NEXT: [[RES:%.*]] = extractelement <4 x i32> [[TMP1]], i32 0
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; CHECK-NEXT: ret i32 [[RES]]
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;
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%lv = load <4 x i32>, <4 x i32>* %x
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%e.0 = extractelement <4 x i32> %lv, i32 0
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%e.1 = extractelement <4 x i32> %lv, i32 1
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%res = add i32 %e.0, %e.1
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ret i32 %res
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}
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; Scalarizing may or may not be profitable, depending on the target.
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define i32 @load_multiple_2_with_variable_indices(<4 x i32>* %x, i64 %idx.0, i64 %idx.1) {
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; CHECK-LABEL: @load_multiple_2_with_variable_indices(
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; CHECK-NEXT: [[LV:%.*]] = load <4 x i32>, <4 x i32>* [[X:%.*]], align 16
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; CHECK-NEXT: [[E_0:%.*]] = extractelement <4 x i32> [[LV]], i64 [[IDX_0:%.*]]
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; CHECK-NEXT: [[E_1:%.*]] = extractelement <4 x i32> [[LV]], i64 [[IDX_1:%.*]]
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; CHECK-NEXT: [[RES:%.*]] = add i32 [[E_0]], [[E_1]]
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; CHECK-NEXT: ret i32 [[RES]]
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;
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%lv = load <4 x i32>, <4 x i32>* %x
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%e.0 = extractelement <4 x i32> %lv, i64 %idx.0
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%e.1 = extractelement <4 x i32> %lv, i64 %idx.1
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%res = add i32 %e.0, %e.1
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ret i32 %res
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}
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define i32 @load_4_extracts_with_variable_indices_short_vector(<4 x i32>* %x, i64 %idx.0, i64 %idx.1, i64 %idx.2, i64 %idx.3) {
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; CHECK-LABEL: @load_4_extracts_with_variable_indices_short_vector(
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; CHECK-NEXT: [[LV:%.*]] = load <4 x i32>, <4 x i32>* [[X:%.*]], align 16
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; CHECK-NEXT: [[E_0:%.*]] = extractelement <4 x i32> [[LV]], i64 [[IDX_0:%.*]]
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; CHECK-NEXT: [[E_1:%.*]] = extractelement <4 x i32> [[LV]], i64 [[IDX_1:%.*]]
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; CHECK-NEXT: [[E_2:%.*]] = extractelement <4 x i32> [[LV]], i64 [[IDX_2:%.*]]
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; CHECK-NEXT: [[E_3:%.*]] = extractelement <4 x i32> [[LV]], i64 [[IDX_3:%.*]]
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; CHECK-NEXT: [[RES_0:%.*]] = add i32 [[E_0]], [[E_1]]
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; CHECK-NEXT: [[RES_1:%.*]] = add i32 [[RES_0]], [[E_2]]
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; CHECK-NEXT: [[RES_2:%.*]] = add i32 [[RES_1]], [[E_3]]
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; CHECK-NEXT: ret i32 [[RES_2]]
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;
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%lv = load <4 x i32>, <4 x i32>* %x
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%e.0 = extractelement <4 x i32> %lv, i64 %idx.0
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%e.1 = extractelement <4 x i32> %lv, i64 %idx.1
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%e.2 = extractelement <4 x i32> %lv, i64 %idx.2
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%e.3 = extractelement <4 x i32> %lv, i64 %idx.3
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%res.0 = add i32 %e.0, %e.1
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%res.1 = add i32 %res.0, %e.2
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%res.2 = add i32 %res.1, %e.3
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ret i32 %res.2
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}
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define i32 @load_multiple_extracts_with_variable_indices_large_vector(<16 x i32>* %x, i64 %idx.0, i64 %idx.1) {
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; CHECK-LABEL: @load_multiple_extracts_with_variable_indices_large_vector(
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; CHECK-NEXT: [[LV:%.*]] = load <16 x i32>, <16 x i32>* [[X:%.*]], align 64
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; CHECK-NEXT: [[E_0:%.*]] = extractelement <16 x i32> [[LV]], i64 [[IDX_0:%.*]]
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; CHECK-NEXT: [[E_1:%.*]] = extractelement <16 x i32> [[LV]], i64 [[IDX_1:%.*]]
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; CHECK-NEXT: [[RES:%.*]] = add i32 [[E_0]], [[E_1]]
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; CHECK-NEXT: ret i32 [[RES]]
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;
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%lv = load <16 x i32>, <16 x i32>* %x
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%e.0 = extractelement <16 x i32> %lv, i64 %idx.0
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%e.1 = extractelement <16 x i32> %lv, i64 %idx.1
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%res = add i32 %e.0, %e.1
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ret i32 %res
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}
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