| ; 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 |
| } |
| |
| define <2 x i8*> @zero_index(i8* %p) { |
| ; CHECK-LABEL: @zero_index( |
| ; CHECK-NEXT: %gep = getelementptr i8, i8* %p, <2 x i64> zeroinitializer |
| ; CHECK-NEXT: ret <2 x i8*> %gep |
| ; |
| %gep = getelementptr i8, i8* %p, <2 x i64> zeroinitializer |
| ret <2 x i8*> %gep |
| } |
| |
| define <2 x {}*> @unsized({}* %p) { |
| ; CHECK-LABEL: @unsized( |
| ; CHECK-NEXT: %gep = getelementptr {}, {}* %p, <2 x i64> undef |
| ; CHECK-NEXT: ret <2 x {}*> %gep |
| ; |
| %gep = getelementptr {}, {}* %p, <2 x i64> undef |
| ret <2 x {}*> %gep |
| } |