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" 3 4 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 10 ret i32 %y 11 } 12 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 18 ret i32 %y 19 } 20 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 26 ret i32 %y 27 } 28 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 34 ret i32 %y 35 } 36 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 44 ret i32 %y 45 } 46 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 52 ret i8 %castback 53 } 54 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 64 ret i32 %y 65 } 66 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 73 } 74 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 81 } 82 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 88 } 89 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 95 } 96 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 103 } 104 105 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 111 } 112 113
