1 ; RUN: opt -S -instcombine %s -o - | FileCheck %s
2 target datalayout = "e-p:32:32:32-p1:64:64:64-p2:8:8:8-p3:16:16:16-p4:16:16:16-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:32"
5 define i32 @test_as0(i32 addrspace(0)* %a) {
6 ; CHECK-LABEL: @test_as0(
7 ; CHECK: %arrayidx = getelementptr i32, i32* %a, i32 1
8 %arrayidx = getelementptr i32, i32 addrspace(0)* %a, i64 1
9 %y = load i32, i32 addrspace(0)* %arrayidx, align 4
13 define i32 @test_as1(i32 addrspace(1)* %a) {
14 ; CHECK-LABEL: @test_as1(
15 ; CHECK: %arrayidx = getelementptr i32, i32 addrspace(1)* %a, i64 1
16 %arrayidx = getelementptr i32, i32 addrspace(1)* %a, i32 1
17 %y = load i32, i32 addrspace(1)* %arrayidx, align 4
21 define i32 @test_as2(i32 addrspace(2)* %a) {
22 ; CHECK-LABEL: @test_as2(
23 ; CHECK: %arrayidx = getelementptr i32, i32 addrspace(2)* %a, i8 1
24 %arrayidx = getelementptr i32, i32 addrspace(2)* %a, i32 1
25 %y = load i32, i32 addrspace(2)* %arrayidx, align 4
29 define i32 @test_as3(i32 addrspace(3)* %a) {
30 ; CHECK-LABEL: @test_as3(
31 ; CHECK: %arrayidx = getelementptr i32, i32 addrspace(3)* %a, i16 1
32 %arrayidx = getelementptr i32, i32 addrspace(3)* %a, i32 1
33 %y = load i32, i32 addrspace(3)* %arrayidx, align 4
37 define i32 @test_combine_ptrtoint(i32 addrspace(2)* %a) {
38 ; CHECK-LABEL: @test_combine_ptrtoint(
39 ; CHECK-NEXT: %y = load i32, i32 addrspace(2)* %a
40 ; CHECK-NEXT: ret i32 %y
41 %cast = ptrtoint i32 addrspace(2)* %a to i8
42 %castback = inttoptr i8 %cast to i32 addrspace(2)*
43 %y = load i32, i32 addrspace(2)* %castback, align 4
47 define i8 @test_combine_inttoptr(i8 %a) {
48 ; CHECK-LABEL: @test_combine_inttoptr(
49 ; CHECK-NEXT: ret i8 %a
50 %cast = inttoptr i8 %a to i32 addrspace(2)*
51 %castback = ptrtoint i32 addrspace(2)* %cast to i8
55 define i32 @test_combine_vector_ptrtoint(<2 x i32 addrspace(2)*> %a) {
56 ; CHECK-LABEL: @test_combine_vector_ptrtoint(
57 ; CHECK-NEXT: %p = extractelement <2 x i32 addrspace(2)*> %a, i32 0
58 ; CHECK-NEXT: %y = load i32, i32 addrspace(2)* %p, align 4
59 ; CHECK-NEXT: ret i32 %y
60 %cast = ptrtoint <2 x i32 addrspace(2)*> %a to <2 x i8>
61 %castback = inttoptr <2 x i8> %cast to <2 x i32 addrspace(2)*>
62 %p = extractelement <2 x i32 addrspace(2)*> %castback, i32 0
63 %y = load i32, i32 addrspace(2)* %p, align 4
67 define <2 x i8> @test_combine_vector_inttoptr(<2 x i8> %a) {
68 ; CHECK-LABEL: @test_combine_vector_inttoptr(
69 ; CHECK-NEXT: ret <2 x i8> %a
70 %cast = inttoptr <2 x i8> %a to <2 x i32 addrspace(2)*>
71 %castback = ptrtoint <2 x i32 addrspace(2)*> %cast to <2 x i8>
72 ret <2 x i8> %castback
75 ; Check that the GEP index is changed to the address space integer type (i64 -> i8)
76 define i32 addrspace(2)* @shrink_gep_constant_index_64_as2(i32 addrspace(2)* %p) {
77 ; CHECK-LABEL: @shrink_gep_constant_index_64_as2(
78 ; CHECK-NEXT: getelementptr i32, i32 addrspace(2)* %p, i8 1
79 %ret = getelementptr i32, i32 addrspace(2)* %p, i64 1
80 ret i32 addrspace(2)* %ret
83 define i32 addrspace(2)* @shrink_gep_constant_index_32_as2(i32 addrspace(2)* %p) {
84 ; CHECK-LABEL: @shrink_gep_constant_index_32_as2(
85 ; CHECK-NEXT: getelementptr i32, i32 addrspace(2)* %p, i8 1
86 %ret = getelementptr i32, i32 addrspace(2)* %p, i32 1
87 ret i32 addrspace(2)* %ret
90 define i32 addrspace(3)* @shrink_gep_constant_index_64_as3(i32 addrspace(3)* %p) {
91 ; CHECK-LABEL: @shrink_gep_constant_index_64_as3(
92 ; CHECK-NEXT: getelementptr i32, i32 addrspace(3)* %p, i16 1
93 %ret = getelementptr i32, i32 addrspace(3)* %p, i64 1
94 ret i32 addrspace(3)* %ret
97 define i32 addrspace(2)* @shrink_gep_variable_index_64_as2(i32 addrspace(2)* %p, i64 %idx) {
98 ; CHECK-LABEL: @shrink_gep_variable_index_64_as2(
99 ; CHECK-NEXT: %1 = trunc i64 %idx to i8
100 ; CHECK-NEXT: getelementptr i32, i32 addrspace(2)* %p, i8 %1
101 %ret = getelementptr i32, i32 addrspace(2)* %p, i64 %idx
102 ret i32 addrspace(2)* %ret
105 define i32 addrspace(1)* @grow_gep_variable_index_8_as1(i32 addrspace(1)* %p, i8 %idx) {
106 ; CHECK-LABEL: @grow_gep_variable_index_8_as1(
107 ; CHECK-NEXT: %1 = sext i8 %idx to i64
108 ; CHECK-NEXT: getelementptr i32, i32 addrspace(1)* %p, i64 %1
109 %ret = getelementptr i32, i32 addrspace(1)* %p, i8 %idx
110 ret i32 addrspace(1)* %ret