Imported Upstream version 5.18.0.205

Former-commit-id: 7f59f7e792705db773f1caecdaa823092f4e2927

external/llvm/test/Transforms/InstSimplify/vector_gep.ll

@@ -0,0 +1,88 @@
+; RUN: opt -S -instsimplify < %s | FileCheck %s
+
+target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
+
+declare void @helper(<2 x i8*>)
+define void @test(<2 x i8*> %a) {
+  %A = getelementptr i8, <2 x i8*> %a, <2 x i32> <i32 0, i32 0>
+  call void @helper(<2 x i8*> %A)
+  ret void
+}
+
+define <4 x i8*> @test1(<4 x i8*> %a) {
+  %gep = getelementptr i8, <4 x i8*> %a, <4 x i32> zeroinitializer
+  ret <4 x i8*> %gep
+
+; CHECK-LABEL: @test1
+; CHECK-NEXT: ret <4 x i8*> %a
+}
+
+define <4 x i8*> @test2(<4 x i8*> %a) {
+  %gep = getelementptr i8, <4 x i8*> %a
+  ret <4 x i8*> %gep
+
+; CHECK-LABEL: @test2
+; CHECK-NEXT: ret <4 x i8*> %a
+}
+
+%struct = type { double, float }
+
+define <4 x float*> @test3() {
+  %gep = getelementptr %struct, <4 x %struct*> undef, <4 x i32> <i32 1, i32 1, i32 1, i32 1>, <4 x i32> <i32 1, i32 1, i32 1, i32 1>
+  ret <4 x float*> %gep
+
+; CHECK-LABEL: @test3
+; CHECK-NEXT: ret <4 x float*> undef
+}
+
+%struct.empty = type { }
+
+define <4 x %struct.empty*> @test4(<4 x %struct.empty*> %a) {
+  %gep = getelementptr %struct.empty, <4 x %struct.empty*> %a, <4 x i32> <i32 1, i32 1, i32 1, i32 1>
+  ret <4 x %struct.empty*> %gep
+
+; CHECK-LABEL: @test4
+; CHECK-NEXT: ret <4 x %struct.empty*> %a
+}
+
+define <4 x i8*> @test5() {
+  %c = inttoptr <4 x i64> <i64 1, i64 2, i64 3, i64 4> to <4 x i8*>
+  %gep = getelementptr i8, <4 x i8*> %c, <4 x i32> <i32 1, i32 1, i32 1, i32 1>
+  ret <4 x i8*> %gep
+
+; CHECK-LABEL: @test5
+; CHECK-NEXT: ret <4 x i8*> getelementptr (i8, <4 x i8*> <i8* inttoptr (i64 1 to i8*), i8* inttoptr (i64 2 to i8*), i8* inttoptr (i64 3 to i8*), i8* inttoptr (i64 4 to i8*)>, <4 x i64> <i64 1, i64 1, i64 1, i64 1>)
+}
+
+@v = global [24 x [42 x [3 x i32]]] zeroinitializer, align 16
+
+define <16 x i32*> @test6() {
+; CHECK-LABEL: @test6
+; CHECK-NEXT: ret <16 x i32*> getelementptr inbounds ([24 x [42 x [3 x i32]]], [24 x [42 x [3 x i32]]]* @v, <16 x i64> zeroinitializer, <16 x i64> zeroinitializer, <16 x i64> <i64 0, i64 1, i64 2, i64 3, i64 4, i64 5, i64 6, i64 7, i64 8, i64 9, i64 10, i64 11, i64 12, i64 13, i64 14, i64 15>, <16 x i64> zeroinitializer)
+  %VectorGep = getelementptr [24 x [42 x [3 x i32]]], [24 x [42 x [3 x i32]]]* @v, i64 0, i64 0, <16 x i64> <i64 0, i64 1, i64 2, i64 3, i64 4, i64 5, i64 6, i64 7, i64 8, i64 9, i64 10, i64 11, i64 12, i64 13, i64 14, i64 15>, i64 0
+  ret <16 x i32*> %VectorGep
+}
+
+; PR32697
+; CHECK-LABEL: tinkywinky(
+; CHECK-NEXT: ret <4 x i8*> undef
+define <4 x i8*> @tinkywinky() {
+  %patatino = getelementptr i8, i8* undef, <4 x i64> undef
+  ret <4 x i8*> %patatino
+}
+
+; PR32697
+; CHECK-LABEL: dipsy(
+; CHECK-NEXT: ret <4 x i8*> undef
+define <4 x i8*> @dipsy() {
+  %patatino = getelementptr i8, <4 x i8 *> undef, <4 x i64> undef
+  ret <4 x i8*> %patatino
+}
+
+; PR32697
+; CHECK-LABEL: laalaa(
+; CHECK-NEXT: ret <4 x i8*> undef
+define <4 x i8*> @laalaa() {
+  %patatino = getelementptr i8, <4 x i8 *> undef, i64 undef
+  ret <4 x i8*> %patatino
+}