forked from OSchip/llvm-project
93 lines
2.5 KiB
LLVM
93 lines
2.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -instsimplify < %s | FileCheck %s
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define <4 x i32> @test1(<4 x i32> %A) {
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: ret <4 x i32> undef
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;
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%I = insertelement <4 x i32> %A, i32 5, i64 4294967296
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ret <4 x i32> %I
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}
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define <4 x i32> @test2(<4 x i32> %A) {
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; CHECK-LABEL: @test2(
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; CHECK-NEXT: ret <4 x i32> undef
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;
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%I = insertelement <4 x i32> %A, i32 5, i64 4
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ret <4 x i32> %I
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}
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define <4 x i32> @test3(<4 x i32> %A) {
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; CHECK-LABEL: @test3(
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; CHECK-NEXT: [[I:%.*]] = insertelement <4 x i32> [[A:%.*]], i32 5, i64 1
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; CHECK-NEXT: ret <4 x i32> [[I]]
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;
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%I = insertelement <4 x i32> %A, i32 5, i64 1
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ret <4 x i32> %I
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}
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define <4 x i32> @test4(<4 x i32> %A) {
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; CHECK-LABEL: @test4(
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; CHECK-NEXT: ret <4 x i32> undef
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;
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%I = insertelement <4 x i32> %A, i32 5, i128 100
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ret <4 x i32> %I
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}
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define <4 x i32> @test5(<4 x i32> %A) {
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; CHECK-LABEL: @test5(
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; CHECK-NEXT: ret <4 x i32> undef
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;
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%I = insertelement <4 x i32> %A, i32 5, i64 undef
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ret <4 x i32> %I
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}
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define <4 x i32> @PR1286(<4 x i32> %A) {
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; CHECK-LABEL: @PR1286(
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; CHECK-NEXT: ret <4 x i32> [[A:%.*]]
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;
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%B = insertelement <4 x i32> %A, i32 undef, i32 1
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ret <4 x i32> %B
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}
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define <8 x i8> @extract_insert_same_vec_and_index(<8 x i8> %in) {
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; CHECK-LABEL: @extract_insert_same_vec_and_index(
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; CHECK-NEXT: ret <8 x i8> [[IN:%.*]]
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;
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%val = extractelement <8 x i8> %in, i32 5
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%vec = insertelement <8 x i8> %in, i8 %val, i32 5
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ret <8 x i8> %vec
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}
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define <8 x i8> @extract_insert_same_vec_and_index2(<8 x i8> %in, i32 %index) {
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; CHECK-LABEL: @extract_insert_same_vec_and_index2(
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; CHECK-NEXT: ret <8 x i8> [[IN:%.*]]
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;
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%val = extractelement <8 x i8> %in, i32 %index
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%vec = insertelement <8 x i8> %in, i8 %val, i32 %index
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ret <8 x i8> %vec
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}
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; The insert is in an unreachable block, so it is allowed to point to itself.
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; This would crash via stack overflow.
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define void @PR43218() {
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; CHECK-LABEL: @PR43218(
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; CHECK-NEXT: end:
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; CHECK-NEXT: ret void
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; CHECK: unreachable_infloop:
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; CHECK-NEXT: [[EXTRACT:%.*]] = extractelement <2 x i64> [[BOGUS:%.*]], i32 0
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; CHECK-NEXT: [[T0:%.*]] = inttoptr i64 [[EXTRACT]] to i16****
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; CHECK-NEXT: [[BOGUS]] = insertelement <2 x i64> [[BOGUS]], i64 undef, i32 1
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; CHECK-NEXT: br label [[UNREACHABLE_INFLOOP:%.*]]
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;
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end:
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ret void
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unreachable_infloop:
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%extract = extractelement <2 x i64> %bogus, i32 0
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%t0 = inttoptr i64 %extract to i16****
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%bogus = insertelement <2 x i64> %bogus, i64 undef, i32 1
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br label %unreachable_infloop
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}
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