1 ; RUN: llvm-as < %s | llvm-dis | llvm-as | llvm-dis | FileCheck %s 2 ; RUN: verify-uselistorder %s 3 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) 10 11 ; Verify that constant expression GEPs work with i84 indices. 12 @D = external global [1 x i32] 13 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) 16 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) 21 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)) 25 26 ; Verify that inrange on an index inhibits over-indexed getelementptr folding. 27 28 @nestedarray = global [2 x [4 x i8*]] zeroinitializer 29 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) 32 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) 35 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) 38 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) 41 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) 44 45 ; See if i92 indices work too. 46 define i32 *@test({i32, i32}* %t, i92 %n) { 47 ; CHECK: @test 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 50 ret i32* %B 51 } 52 53 ; Verify that constant expression vector GEPs work. 54 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>) 56 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 60 ret <2 x i32*> %w 61 } 62 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> 66 ret <2 x i8*> %w 67 } 68 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 70 71 ; Verify that array GEP doesn't incorrectly infer inbounds. 72 define i32* @test9() { 73 entry: 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) 77 } 78
