1 ; RUN: llvm-as < %s | llvm-dis | llvm-as | llvm-dis | FileCheck %s
2 ; RUN: verify-uselistorder %s
4 ; Verify that over-indexed getelementptrs are folded.
5 @A = external global [2 x [3 x [5 x [7 x i32]]]]
6 @B = global i32* getelementptr ([2 x [3 x [5 x [7 x i32]]]], [2 x [3 x [5 x [7 x i32]]]]* @A, i64 0, i64 0, i64 2, i64 1, i64 7523)
7 ; CHECK: @B = global i32* getelementptr ([2 x [3 x [5 x [7 x i32]]]], [2 x [3 x [5 x [7 x i32]]]]* @A, i64 36, i64 0, i64 1, i64 0, i64 5)
8 @C = global i32* getelementptr ([2 x [3 x [5 x [7 x i32]]]], [2 x [3 x [5 x [7 x i32]]]]* @A, i64 3, i64 2, i64 0, i64 0, i64 7523)
9 ; CHECK: @C = global i32* getelementptr ([2 x [3 x [5 x [7 x i32]]]], [2 x [3 x [5 x [7 x i32]]]]* @A, i64 39, i64 1, i64 1, i64 4, i64 5)
11 ; Verify that constant expression GEPs work with i84 indices.
12 @D = external global [1 x i32]
14 @E = global i32* getelementptr inbounds ([1 x i32], [1 x i32]* @D, i84 0, i64 1)
15 ; CHECK: @E = global i32* getelementptr inbounds ([1 x i32], [1 x i32]* @D, i84 1, i64 0)
17 ; Verify that i16 indices work.
18 @x = external global {i32, i32}
19 @y = global i32* getelementptr ({ i32, i32 }, { i32, i32 }* @x, i16 42, i32 0)
20 ; CHECK: @y = global i32* getelementptr ({ i32, i32 }, { i32, i32 }* @x, i16 42, i32 0)
22 @PR23753_a = external global i8
23 @PR23753_b = global i8* getelementptr (i8, i8* @PR23753_a, i64 ptrtoint (i8* @PR23753_a to i64))
24 ; CHECK: @PR23753_b = global i8* getelementptr (i8, i8* @PR23753_a, i64 ptrtoint (i8* @PR23753_a to i64))
26 ; Verify that inrange on an index inhibits over-indexed getelementptr folding.
28 @nestedarray = global [2 x [4 x i8*]] zeroinitializer
30 ; CHECK: @nestedarray.1 = alias i8*, getelementptr inbounds ([2 x [4 x i8*]], [2 x [4 x i8*]]* @nestedarray, inrange i32 0, i64 1, i32 0)
31 @nestedarray.1 = alias i8*, getelementptr inbounds ([2 x [4 x i8*]], [2 x [4 x i8*]]* @nestedarray, inrange i32 0, i32 0, i32 4)
33 ; CHECK: @nestedarray.2 = alias i8*, getelementptr inbounds ([2 x [4 x i8*]], [2 x [4 x i8*]]* @nestedarray, i32 0, inrange i32 0, i32 4)
34 @nestedarray.2 = alias i8*, getelementptr inbounds ([2 x [4 x i8*]], [2 x [4 x i8*]]* @nestedarray, i32 0, inrange i32 0, i32 4)
36 ; CHECK: @nestedarray.3 = alias i8*, getelementptr inbounds ([2 x [4 x i8*]], [2 x [4 x i8*]]* @nestedarray, i32 0, inrange i32 0, i32 0)
37 @nestedarray.3 = alias i8*, getelementptr inbounds ([4 x i8*], [4 x i8*]* getelementptr inbounds ([2 x [4 x i8*]], [2 x [4 x i8*]]* @nestedarray, i32 0, inrange i32 0), i32 0, i32 0)
39 ; CHECK: @nestedarray.4 = alias i8*, getelementptr inbounds ([2 x [4 x i8*]], [2 x [4 x i8*]]* @nestedarray, i32 0, i32 1, i32 0)
40 @nestedarray.4 = alias i8*, getelementptr inbounds ([4 x i8*], [4 x i8*]* getelementptr inbounds ([2 x [4 x i8*]], [2 x [4 x i8*]]* @nestedarray, i32 0, inrange i32 0), i32 1, i32 0)
42 ; CHECK: @nestedarray.5 = alias i8*, getelementptr inbounds ([2 x [4 x i8*]], [2 x [4 x i8*]]* @nestedarray, inrange i32 0, i32 1, i32 0)
43 @nestedarray.5 = alias i8*, getelementptr inbounds ([4 x i8*], [4 x i8*]* getelementptr inbounds ([2 x [4 x i8*]], [2 x [4 x i8*]]* @nestedarray, inrange i32 0, i32 0), i32 1, i32 0)
45 ; See if i92 indices work too.
46 define i32 *@test({i32, i32}* %t, i92 %n) {
48 ; CHECK: %B = getelementptr { i32, i32 }, { i32, i32 }* %t, i92 %n, i32 0
49 %B = getelementptr {i32, i32}, {i32, i32}* %t, i92 %n, i32 0
53 ; Verify that constant expression vector GEPs work.
55 @z = global <2 x i32*> getelementptr ([3 x {i32, i32}], <2 x [3 x {i32, i32}]*> zeroinitializer, <2 x i32> <i32 1, i32 2>, <2 x i32> <i32 2, i32 3>, <2 x i32> <i32 1, i32 1>)
57 ; Verify that struct GEP works with a vector of pointers.
58 define <2 x i32*> @test7(<2 x {i32, i32}*> %a) {
59 %w = getelementptr {i32, i32}, <2 x {i32, i32}*> %a, <2 x i32> <i32 5, i32 9>, <2 x i32> zeroinitializer
63 ; Verify that array GEP works with a vector of pointers.
64 define <2 x i8*> @test8(<2 x [2 x i8]*> %a) {
65 %w = getelementptr [2 x i8], <2 x [2 x i8]*> %a, <2 x i32> <i32 0, i32 0>, <2 x i8> <i8 0, i8 1>
69 @array = internal global [16 x i32] [i32 -200, i32 -199, i32 -198, i32 -197, i32 -196, i32 -195, i32 -194, i32 -193, i32 -192, i32 -191, i32 -190, i32 -189, i32 -188, i32 -187, i32 -186, i32 -185], align 16
71 ; Verify that array GEP doesn't incorrectly infer inbounds.
72 define i32* @test9() {
74 ret i32* getelementptr ([16 x i32], [16 x i32]* @array, i64 0, i64 -13)
75 ; CHECK-LABEL: define i32* @test9(
76 ; CHECK: ret i32* getelementptr ([16 x i32], [16 x i32]* @array, i64 0, i64 -13)