[llvm] 5627916 - [InstCombine] add tests for trunc+insertelt; NFC
Sanjay Patel via llvm-commits
llvm-commits at lists.llvm.org
Thu Nov 24 07:16:46 PST 2022
Author: Sanjay Patel
Date: 2022-11-24T10:16:37-05:00
New Revision: 56279164f3011efdabd94874bebbc4da68b364ee
URL: https://github.com/llvm/llvm-project/commit/56279164f3011efdabd94874bebbc4da68b364ee
DIFF: https://github.com/llvm/llvm-project/commit/56279164f3011efdabd94874bebbc4da68b364ee.diff
LOG: [InstCombine] add tests for trunc+insertelt; NFC
Added:
llvm/test/Transforms/InstCombine/insert-trunc.ll
Modified:
Removed:
################################################################################
diff --git a/llvm/test/Transforms/InstCombine/insert-trunc.ll b/llvm/test/Transforms/InstCombine/insert-trunc.ll
new file mode 100644
index 0000000000000..3ae128e55b43b
--- /dev/null
+++ b/llvm/test/Transforms/InstCombine/insert-trunc.ll
@@ -0,0 +1,494 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt < %s -passes=instcombine -S -data-layout="E" | FileCheck %s --check-prefixes=ALL
+; RUN: opt < %s -passes=instcombine -S -data-layout="e" | FileCheck %s --check-prefixes=ALL
+
+declare void @use(i8)
+declare void @use64(i64)
+
+define <4 x i16> @low_index_same_length_poison_basevec(i64 %x) {
+; ALL-LABEL: @low_index_same_length_poison_basevec(
+; ALL-NEXT: [[T:%.*]] = trunc i64 [[X:%.*]] to i16
+; ALL-NEXT: [[R:%.*]] = insertelement <4 x i16> poison, i16 [[T]], i64 0
+; ALL-NEXT: ret <4 x i16> [[R]]
+;
+ %t = trunc i64 %x to i16
+ %r = insertelement <4 x i16> poison, i16 %t, i64 0
+ ret <4 x i16> %r
+}
+
+define <4 x i16> @high_index_same_length_poison_basevec(i64 %x) {
+; ALL-LABEL: @high_index_same_length_poison_basevec(
+; ALL-NEXT: [[T:%.*]] = trunc i64 [[X:%.*]] to i16
+; ALL-NEXT: [[R:%.*]] = insertelement <4 x i16> poison, i16 [[T]], i64 3
+; ALL-NEXT: ret <4 x i16> [[R]]
+;
+ %t = trunc i64 %x to i16
+ %r = insertelement <4 x i16> poison, i16 %t, i64 3
+ ret <4 x i16> %r
+}
+
+define <4 x i16> @wrong_index_same_length_poison_basevec(i64 %x) {
+; ALL-LABEL: @wrong_index_same_length_poison_basevec(
+; ALL-NEXT: [[T:%.*]] = trunc i64 [[X:%.*]] to i16
+; ALL-NEXT: [[R:%.*]] = insertelement <4 x i16> poison, i16 [[T]], i64 1
+; ALL-NEXT: ret <4 x i16> [[R]]
+;
+ %t = trunc i64 %x to i16
+ %r = insertelement <4 x i16> poison, i16 %t, i64 1
+ ret <4 x i16> %r
+}
+
+define <8 x i16> @low_index_longer_length_poison_basevec(i64 %x) {
+; ALL-LABEL: @low_index_longer_length_poison_basevec(
+; ALL-NEXT: [[T:%.*]] = trunc i64 [[X:%.*]] to i16
+; ALL-NEXT: [[R:%.*]] = insertelement <8 x i16> poison, i16 [[T]], i64 0
+; ALL-NEXT: ret <8 x i16> [[R]]
+;
+ %t = trunc i64 %x to i16
+ %r = insertelement <8 x i16> poison, i16 %t, i64 0
+ ret <8 x i16> %r
+}
+
+define <8 x i16> @high_index_longer_length_poison_basevec(i64 %x) {
+; ALL-LABEL: @high_index_longer_length_poison_basevec(
+; ALL-NEXT: [[T:%.*]] = trunc i64 [[X:%.*]] to i16
+; ALL-NEXT: [[R:%.*]] = insertelement <8 x i16> poison, i16 [[T]], i64 3
+; ALL-NEXT: ret <8 x i16> [[R]]
+;
+ %t = trunc i64 %x to i16
+ %r = insertelement <8 x i16> poison, i16 %t, i64 3
+ ret <8 x i16> %r
+}
+
+define <8 x i16> @wrong_index_longer_length_poison_basevec(i64 %x) {
+; ALL-LABEL: @wrong_index_longer_length_poison_basevec(
+; ALL-NEXT: [[T:%.*]] = trunc i64 [[X:%.*]] to i16
+; ALL-NEXT: [[R:%.*]] = insertelement <8 x i16> poison, i16 [[T]], i64 7
+; ALL-NEXT: ret <8 x i16> [[R]]
+;
+ %t = trunc i64 %x to i16
+ %r = insertelement <8 x i16> poison, i16 %t, i64 7
+ ret <8 x i16> %r
+}
+
+define <2 x i16> @low_index_shorter_length_poison_basevec(i64 %x) {
+; ALL-LABEL: @low_index_shorter_length_poison_basevec(
+; ALL-NEXT: [[T:%.*]] = trunc i64 [[X:%.*]] to i16
+; ALL-NEXT: [[R:%.*]] = insertelement <2 x i16> poison, i16 [[T]], i64 0
+; ALL-NEXT: ret <2 x i16> [[R]]
+;
+ %t = trunc i64 %x to i16
+ %r = insertelement <2 x i16> poison, i16 %t, i64 0
+ ret <2 x i16> %r
+}
+
+define <4 x i8> @wrong_index_shorter_length_poison_basevec(i64 %x) {
+; ALL-LABEL: @wrong_index_shorter_length_poison_basevec(
+; ALL-NEXT: [[T:%.*]] = trunc i64 [[X:%.*]] to i8
+; ALL-NEXT: [[R:%.*]] = insertelement <4 x i8> poison, i8 [[T]], i64 3
+; ALL-NEXT: ret <4 x i8> [[R]]
+;
+ %t = trunc i64 %x to i8
+ %r = insertelement <4 x i8> poison, i8 %t, i64 3
+ ret <4 x i8> %r
+}
+
+define <4 x i8> @wrong_width_low_index_shorter_length_poison_basevec(i65 %x) {
+; ALL-LABEL: @wrong_width_low_index_shorter_length_poison_basevec(
+; ALL-NEXT: [[T:%.*]] = trunc i65 [[X:%.*]] to i8
+; ALL-NEXT: [[R:%.*]] = insertelement <4 x i8> poison, i8 [[T]], i64 0
+; ALL-NEXT: ret <4 x i8> [[R]]
+;
+ %t = trunc i65 %x to i8
+ %r = insertelement <4 x i8> poison, i8 %t, i64 0
+ ret <4 x i8> %r
+}
+
+define <4 x i8> @low_index_shorter_length_poison_basevec_extra_use(i64 %x) {
+; ALL-LABEL: @low_index_shorter_length_poison_basevec_extra_use(
+; ALL-NEXT: [[T:%.*]] = trunc i64 [[X:%.*]] to i8
+; ALL-NEXT: call void @use(i8 [[T]])
+; ALL-NEXT: [[R:%.*]] = insertelement <4 x i8> poison, i8 [[T]], i64 0
+; ALL-NEXT: ret <4 x i8> [[R]]
+;
+ %t = trunc i64 %x to i8
+ call void @use(i8 %t)
+ %r = insertelement <4 x i8> poison, i8 %t, i64 0
+ ret <4 x i8> %r
+}
+
+define <4 x i16> @lshr_same_length_poison_basevec_le(i64 %x) {
+; ALL-LABEL: @lshr_same_length_poison_basevec_le(
+; ALL-NEXT: [[S:%.*]] = lshr i64 [[X:%.*]], 32
+; ALL-NEXT: [[T:%.*]] = trunc i64 [[S]] to i16
+; ALL-NEXT: [[R:%.*]] = insertelement <4 x i16> poison, i16 [[T]], i64 2
+; ALL-NEXT: ret <4 x i16> [[R]]
+;
+ %s = lshr i64 %x, 32
+ %t = trunc i64 %s to i16
+ %r = insertelement <4 x i16> poison, i16 %t, i64 2
+ ret <4 x i16> %r
+}
+
+define <4 x i16> @lshr_same_length_poison_basevec_be(i64 %x) {
+; ALL-LABEL: @lshr_same_length_poison_basevec_be(
+; ALL-NEXT: [[S:%.*]] = lshr i64 [[X:%.*]], 32
+; ALL-NEXT: [[T:%.*]] = trunc i64 [[S]] to i16
+; ALL-NEXT: [[R:%.*]] = insertelement <4 x i16> poison, i16 [[T]], i64 1
+; ALL-NEXT: ret <4 x i16> [[R]]
+;
+ %s = lshr i64 %x, 32
+ %t = trunc i64 %s to i16
+ %r = insertelement <4 x i16> poison, i16 %t, i64 1
+ ret <4 x i16> %r
+}
+
+define <4 x i16> @lshr_same_length_poison_basevec_both_endian(i64 %x) {
+; ALL-LABEL: @lshr_same_length_poison_basevec_both_endian(
+; ALL-NEXT: [[S:%.*]] = lshr i64 [[X:%.*]], 48
+; ALL-NEXT: [[T:%.*]] = trunc i64 [[S]] to i16
+; ALL-NEXT: [[R:%.*]] = insertelement <4 x i16> poison, i16 [[T]], i64 0
+; ALL-NEXT: ret <4 x i16> [[R]]
+;
+ %s = lshr i64 %x, 48
+ %t = trunc i64 %s to i16
+ %r = insertelement <4 x i16> poison, i16 %t, i64 0
+ ret <4 x i16> %r
+}
+
+define <4 x i16> @lshr_wrong_index_same_length_poison_basevec(i64 %x) {
+; ALL-LABEL: @lshr_wrong_index_same_length_poison_basevec(
+; ALL-NEXT: [[S:%.*]] = lshr i64 [[X:%.*]], 48
+; ALL-NEXT: [[T:%.*]] = trunc i64 [[S]] to i16
+; ALL-NEXT: [[R:%.*]] = insertelement <4 x i16> poison, i16 [[T]], i64 1
+; ALL-NEXT: ret <4 x i16> [[R]]
+;
+ %s = lshr i64 %x, 48
+ %t = trunc i64 %s to i16
+ %r = insertelement <4 x i16> poison, i16 %t, i64 1
+ ret <4 x i16> %r
+}
+
+define <8 x i16> @lshr_longer_length_poison_basevec_le(i64 %x) {
+; ALL-LABEL: @lshr_longer_length_poison_basevec_le(
+; ALL-NEXT: [[S:%.*]] = lshr i64 [[X:%.*]], 48
+; ALL-NEXT: [[T:%.*]] = trunc i64 [[S]] to i16
+; ALL-NEXT: [[R:%.*]] = insertelement <8 x i16> poison, i16 [[T]], i64 3
+; ALL-NEXT: ret <8 x i16> [[R]]
+;
+ %s = lshr i64 %x, 48
+ %t = trunc i64 %s to i16
+ %r = insertelement <8 x i16> poison, i16 %t, i64 3
+ ret <8 x i16> %r
+}
+
+define <8 x i16> @lshr_longer_length_poison_basevec_be(i64 %x) {
+; ALL-LABEL: @lshr_longer_length_poison_basevec_be(
+; ALL-NEXT: [[S:%.*]] = lshr i64 [[X:%.*]], 32
+; ALL-NEXT: [[T:%.*]] = trunc i64 [[S]] to i16
+; ALL-NEXT: [[R:%.*]] = insertelement <8 x i16> poison, i16 [[T]], i64 1
+; ALL-NEXT: ret <8 x i16> [[R]]
+;
+ %s = lshr i64 %x, 32
+ %t = trunc i64 %s to i16
+ %r = insertelement <8 x i16> poison, i16 %t, i64 1
+ ret <8 x i16> %r
+}
+
+define <8 x i16> @lshr_wrong_index_longer_length_poison_basevec(i64 %x) {
+; ALL-LABEL: @lshr_wrong_index_longer_length_poison_basevec(
+; ALL-NEXT: [[S:%.*]] = lshr i64 [[X:%.*]], 16
+; ALL-NEXT: [[T:%.*]] = trunc i64 [[S]] to i16
+; ALL-NEXT: [[R:%.*]] = insertelement <8 x i16> poison, i16 [[T]], i64 6
+; ALL-NEXT: ret <8 x i16> [[R]]
+;
+ %s = lshr i64 %x, 16
+ %t = trunc i64 %s to i16
+ %r = insertelement <8 x i16> poison, i16 %t, i64 6
+ ret <8 x i16> %r
+}
+
+define <2 x i16> @lshr_shorter_length_poison_basevec_le(i64 %x) {
+; ALL-LABEL: @lshr_shorter_length_poison_basevec_le(
+; ALL-NEXT: [[S:%.*]] = lshr i64 [[X:%.*]], 16
+; ALL-NEXT: [[T:%.*]] = trunc i64 [[S]] to i16
+; ALL-NEXT: [[R:%.*]] = insertelement <2 x i16> poison, i16 [[T]], i64 1
+; ALL-NEXT: ret <2 x i16> [[R]]
+;
+ %s = lshr i64 %x, 16
+ %t = trunc i64 %s to i16
+ %r = insertelement <2 x i16> poison, i16 %t, i64 1
+ ret <2 x i16> %r
+}
+
+define <4 x i8> @lshr_shorter_length_poison_basevec_be(i64 %x) {
+; ALL-LABEL: @lshr_shorter_length_poison_basevec_be(
+; ALL-NEXT: [[S:%.*]] = lshr i64 [[X:%.*]], 40
+; ALL-NEXT: [[T:%.*]] = trunc i64 [[S]] to i8
+; ALL-NEXT: [[R:%.*]] = insertelement <4 x i8> poison, i8 [[T]], i64 2
+; ALL-NEXT: ret <4 x i8> [[R]]
+;
+ %s = lshr i64 %x, 40
+ %t = trunc i64 %s to i8
+ %r = insertelement <4 x i8> poison, i8 %t, i64 2
+ ret <4 x i8> %r
+}
+
+define <4 x i8> @lshr_wrong_index_shorter_length_poison_basevec(i64 %x) {
+; ALL-LABEL: @lshr_wrong_index_shorter_length_poison_basevec(
+; ALL-NEXT: [[S:%.*]] = lshr i64 [[X:%.*]], 40
+; ALL-NEXT: [[T:%.*]] = trunc i64 [[S]] to i8
+; ALL-NEXT: [[R:%.*]] = insertelement <4 x i8> poison, i8 [[T]], i64 3
+; ALL-NEXT: ret <4 x i8> [[R]]
+;
+ %s = lshr i64 %x, 40
+ %t = trunc i64 %s to i8
+ %r = insertelement <4 x i8> poison, i8 %t, i64 3
+ ret <4 x i8> %r
+}
+
+define <4 x i8> @lshr_wrong_shift_shorter_length_poison_basevec(i64 %x) {
+; ALL-LABEL: @lshr_wrong_shift_shorter_length_poison_basevec(
+; ALL-NEXT: [[S:%.*]] = lshr i64 [[X:%.*]], 57
+; ALL-NEXT: [[T:%.*]] = trunc i64 [[S]] to i8
+; ALL-NEXT: [[R:%.*]] = insertelement <4 x i8> poison, i8 [[T]], i64 0
+; ALL-NEXT: ret <4 x i8> [[R]]
+;
+ %s = lshr i64 %x, 57
+ %t = trunc i64 %s to i8
+ %r = insertelement <4 x i8> poison, i8 %t, i64 0
+ ret <4 x i8> %r
+}
+
+define <4 x i8> @lshr_shorter_length_poison_basevec_be_extra_use(i64 %x) {
+; ALL-LABEL: @lshr_shorter_length_poison_basevec_be_extra_use(
+; ALL-NEXT: [[S:%.*]] = lshr i64 [[X:%.*]], 40
+; ALL-NEXT: call void @use64(i64 [[S]])
+; ALL-NEXT: [[T:%.*]] = trunc i64 [[S]] to i8
+; ALL-NEXT: [[R:%.*]] = insertelement <4 x i8> poison, i8 [[T]], i64 2
+; ALL-NEXT: ret <4 x i8> [[R]]
+;
+ %s = lshr i64 %x, 40
+ call void @use64(i64 %s)
+ %t = trunc i64 %s to i8
+ %r = insertelement <4 x i8> poison, i8 %t, i64 2
+ ret <4 x i8> %r
+}
+
+define <4 x i16> @low_index_same_length_basevec(i64 %x, <4 x i16> %v) {
+; ALL-LABEL: @low_index_same_length_basevec(
+; ALL-NEXT: [[T:%.*]] = trunc i64 [[X:%.*]] to i16
+; ALL-NEXT: [[R:%.*]] = insertelement <4 x i16> [[V:%.*]], i16 [[T]], i64 0
+; ALL-NEXT: ret <4 x i16> [[R]]
+;
+ %t = trunc i64 %x to i16
+ %r = insertelement <4 x i16> %v, i16 %t, i64 0
+ ret <4 x i16> %r
+}
+
+define <4 x i16> @high_index_same_length_basevec(i64 %x, <4 x i16> %v) {
+; ALL-LABEL: @high_index_same_length_basevec(
+; ALL-NEXT: [[T:%.*]] = trunc i64 [[X:%.*]] to i16
+; ALL-NEXT: [[R:%.*]] = insertelement <4 x i16> [[V:%.*]], i16 [[T]], i64 3
+; ALL-NEXT: ret <4 x i16> [[R]]
+;
+ %t = trunc i64 %x to i16
+ %r = insertelement <4 x i16> %v, i16 %t, i64 3
+ ret <4 x i16> %r
+}
+
+define <4 x i16> @wrong_index_same_length_basevec(i64 %x, <4 x i16> %v) {
+; ALL-LABEL: @wrong_index_same_length_basevec(
+; ALL-NEXT: [[T:%.*]] = trunc i64 [[X:%.*]] to i16
+; ALL-NEXT: [[R:%.*]] = insertelement <4 x i16> [[V:%.*]], i16 [[T]], i64 1
+; ALL-NEXT: ret <4 x i16> [[R]]
+;
+ %t = trunc i64 %x to i16
+ %r = insertelement <4 x i16> %v, i16 %t, i64 1
+ ret <4 x i16> %r
+}
+
+define <8 x i16> @low_index_longer_length_basevec(i64 %x, <8 x i16> %v) {
+; ALL-LABEL: @low_index_longer_length_basevec(
+; ALL-NEXT: [[T:%.*]] = trunc i64 [[X:%.*]] to i16
+; ALL-NEXT: [[R:%.*]] = insertelement <8 x i16> [[V:%.*]], i16 [[T]], i64 0
+; ALL-NEXT: ret <8 x i16> [[R]]
+;
+ %t = trunc i64 %x to i16
+ %r = insertelement <8 x i16> %v, i16 %t, i64 0
+ ret <8 x i16> %r
+}
+
+define <8 x i16> @high_index_longer_length_basevec(i64 %x, <8 x i16> %v) {
+; ALL-LABEL: @high_index_longer_length_basevec(
+; ALL-NEXT: [[T:%.*]] = trunc i64 [[X:%.*]] to i16
+; ALL-NEXT: [[R:%.*]] = insertelement <8 x i16> [[V:%.*]], i16 [[T]], i64 3
+; ALL-NEXT: ret <8 x i16> [[R]]
+;
+ %t = trunc i64 %x to i16
+ %r = insertelement <8 x i16> %v, i16 %t, i64 3
+ ret <8 x i16> %r
+}
+
+define <8 x i16> @wrong_index_longer_length_basevec(i64 %x, <8 x i16> %v) {
+; ALL-LABEL: @wrong_index_longer_length_basevec(
+; ALL-NEXT: [[T:%.*]] = trunc i64 [[X:%.*]] to i16
+; ALL-NEXT: [[R:%.*]] = insertelement <8 x i16> [[V:%.*]], i16 [[T]], i64 7
+; ALL-NEXT: ret <8 x i16> [[R]]
+;
+ %t = trunc i64 %x to i16
+ %r = insertelement <8 x i16> %v, i16 %t, i64 7
+ ret <8 x i16> %r
+}
+
+define <2 x i16> @low_index_shorter_length_basevec(i64 %x, <2 x i16> %v) {
+; ALL-LABEL: @low_index_shorter_length_basevec(
+; ALL-NEXT: [[T:%.*]] = trunc i64 [[X:%.*]] to i16
+; ALL-NEXT: [[R:%.*]] = insertelement <2 x i16> [[V:%.*]], i16 [[T]], i64 0
+; ALL-NEXT: ret <2 x i16> [[R]]
+;
+ %t = trunc i64 %x to i16
+ %r = insertelement <2 x i16> %v, i16 %t, i64 0
+ ret <2 x i16> %r
+}
+
+define <4 x i8> @wrong_index_shorter_length_basevec(i64 %x, <4 x i8> %v) {
+; ALL-LABEL: @wrong_index_shorter_length_basevec(
+; ALL-NEXT: [[T:%.*]] = trunc i64 [[X:%.*]] to i8
+; ALL-NEXT: [[R:%.*]] = insertelement <4 x i8> [[V:%.*]], i8 [[T]], i64 3
+; ALL-NEXT: ret <4 x i8> [[R]]
+;
+ %t = trunc i64 %x to i8
+ %r = insertelement <4 x i8> %v, i8 %t, i64 3
+ ret <4 x i8> %r
+}
+
+define <4 x i16> @lshr_same_length_basevec_le(i64 %x, <4 x i16> %v) {
+; ALL-LABEL: @lshr_same_length_basevec_le(
+; ALL-NEXT: [[S:%.*]] = lshr i64 [[X:%.*]], 32
+; ALL-NEXT: [[T:%.*]] = trunc i64 [[S]] to i16
+; ALL-NEXT: [[R:%.*]] = insertelement <4 x i16> [[V:%.*]], i16 [[T]], i64 2
+; ALL-NEXT: ret <4 x i16> [[R]]
+;
+ %s = lshr i64 %x, 32
+ %t = trunc i64 %s to i16
+ %r = insertelement <4 x i16> %v, i16 %t, i64 2
+ ret <4 x i16> %r
+}
+
+define <4 x i16> @lshr_same_length_basevec_be(i64 %x, <4 x i16> %v) {
+; ALL-LABEL: @lshr_same_length_basevec_be(
+; ALL-NEXT: [[S:%.*]] = lshr i64 [[X:%.*]], 32
+; ALL-NEXT: [[T:%.*]] = trunc i64 [[S]] to i16
+; ALL-NEXT: [[R:%.*]] = insertelement <4 x i16> [[V:%.*]], i16 [[T]], i64 1
+; ALL-NEXT: ret <4 x i16> [[R]]
+;
+ %s = lshr i64 %x, 32
+ %t = trunc i64 %s to i16
+ %r = insertelement <4 x i16> %v, i16 %t, i64 1
+ ret <4 x i16> %r
+}
+
+define <4 x i16> @lshr_same_length_basevec_both_endian(i64 %x, <4 x i16> %v) {
+; ALL-LABEL: @lshr_same_length_basevec_both_endian(
+; ALL-NEXT: [[S:%.*]] = lshr i64 [[X:%.*]], 48
+; ALL-NEXT: [[T:%.*]] = trunc i64 [[S]] to i16
+; ALL-NEXT: [[R:%.*]] = insertelement <4 x i16> [[V:%.*]], i16 [[T]], i64 3
+; ALL-NEXT: ret <4 x i16> [[R]]
+;
+ %s = lshr i64 %x, 48
+ %t = trunc i64 %s to i16
+ %r = insertelement <4 x i16> %v, i16 %t, i64 3
+ ret <4 x i16> %r
+}
+
+define <4 x i16> @lshr_wrong_index_same_length_basevec(i64 %x, <4 x i16> %v) {
+; ALL-LABEL: @lshr_wrong_index_same_length_basevec(
+; ALL-NEXT: [[S:%.*]] = lshr i64 [[X:%.*]], 48
+; ALL-NEXT: [[T:%.*]] = trunc i64 [[S]] to i16
+; ALL-NEXT: [[R:%.*]] = insertelement <4 x i16> [[V:%.*]], i16 [[T]], i64 1
+; ALL-NEXT: ret <4 x i16> [[R]]
+;
+ %s = lshr i64 %x, 48
+ %t = trunc i64 %s to i16
+ %r = insertelement <4 x i16> %v, i16 %t, i64 1
+ ret <4 x i16> %r
+}
+
+define <8 x i16> @lshr_longer_length_basevec_le(i64 %x, <8 x i16> %v) {
+; ALL-LABEL: @lshr_longer_length_basevec_le(
+; ALL-NEXT: [[S:%.*]] = lshr i64 [[X:%.*]], 48
+; ALL-NEXT: [[T:%.*]] = trunc i64 [[S]] to i16
+; ALL-NEXT: [[R:%.*]] = insertelement <8 x i16> [[V:%.*]], i16 [[T]], i64 3
+; ALL-NEXT: ret <8 x i16> [[R]]
+;
+ %s = lshr i64 %x, 48
+ %t = trunc i64 %s to i16
+ %r = insertelement <8 x i16> %v, i16 %t, i64 3
+ ret <8 x i16> %r
+}
+
+define <8 x i16> @lshr_longer_length_basevec_be(i64 %x, <8 x i16> %v) {
+; ALL-LABEL: @lshr_longer_length_basevec_be(
+; ALL-NEXT: [[S:%.*]] = lshr i64 [[X:%.*]], 32
+; ALL-NEXT: [[T:%.*]] = trunc i64 [[S]] to i16
+; ALL-NEXT: [[R:%.*]] = insertelement <8 x i16> [[V:%.*]], i16 [[T]], i64 1
+; ALL-NEXT: ret <8 x i16> [[R]]
+;
+ %s = lshr i64 %x, 32
+ %t = trunc i64 %s to i16
+ %r = insertelement <8 x i16> %v, i16 %t, i64 1
+ ret <8 x i16> %r
+}
+
+define <8 x i16> @lshr_wrong_index_longer_length_basevec(i64 %x, <8 x i16> %v) {
+; ALL-LABEL: @lshr_wrong_index_longer_length_basevec(
+; ALL-NEXT: [[S:%.*]] = lshr i64 [[X:%.*]], 16
+; ALL-NEXT: [[T:%.*]] = trunc i64 [[S]] to i16
+; ALL-NEXT: [[R:%.*]] = insertelement <8 x i16> [[V:%.*]], i16 [[T]], i64 6
+; ALL-NEXT: ret <8 x i16> [[R]]
+;
+ %s = lshr i64 %x, 16
+ %t = trunc i64 %s to i16
+ %r = insertelement <8 x i16> %v, i16 %t, i64 6
+ ret <8 x i16> %r
+}
+
+define <2 x i16> @lshr_shorter_length_basevec_le(i64 %x, <2 x i16> %v) {
+; ALL-LABEL: @lshr_shorter_length_basevec_le(
+; ALL-NEXT: [[S:%.*]] = lshr i64 [[X:%.*]], 16
+; ALL-NEXT: [[T:%.*]] = trunc i64 [[S]] to i16
+; ALL-NEXT: [[R:%.*]] = insertelement <2 x i16> [[V:%.*]], i16 [[T]], i64 1
+; ALL-NEXT: ret <2 x i16> [[R]]
+;
+ %s = lshr i64 %x, 16
+ %t = trunc i64 %s to i16
+ %r = insertelement <2 x i16> %v, i16 %t, i64 1
+ ret <2 x i16> %r
+}
+
+define <4 x i8> @lshr_shorter_length_basevec_be(i64 %x, <4 x i8> %v) {
+; ALL-LABEL: @lshr_shorter_length_basevec_be(
+; ALL-NEXT: [[S:%.*]] = lshr i64 [[X:%.*]], 48
+; ALL-NEXT: [[T:%.*]] = trunc i64 [[S]] to i8
+; ALL-NEXT: [[R:%.*]] = insertelement <4 x i8> [[V:%.*]], i8 [[T]], i64 1
+; ALL-NEXT: ret <4 x i8> [[R]]
+;
+ %s = lshr i64 %x, 48
+ %t = trunc i64 %s to i8
+ %r = insertelement <4 x i8> %v, i8 %t, i64 1
+ ret <4 x i8> %r
+}
+
+define <4 x i8> @lshr_wrong_index_shorter_length_basevec(i64 %x, <4 x i8> %v) {
+; ALL-LABEL: @lshr_wrong_index_shorter_length_basevec(
+; ALL-NEXT: [[S:%.*]] = lshr i64 [[X:%.*]], 40
+; ALL-NEXT: [[T:%.*]] = trunc i64 [[S]] to i8
+; ALL-NEXT: [[R:%.*]] = insertelement <4 x i8> [[V:%.*]], i8 [[T]], i64 3
+; ALL-NEXT: ret <4 x i8> [[R]]
+;
+ %s = lshr i64 %x, 40
+ %t = trunc i64 %s to i8
+ %r = insertelement <4 x i8> %v, i8 %t, i64 3
+ ret <4 x i8> %r
+}
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