| ; RUN: opt -S -instcombine %s -o - | FileCheck %s |
| 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" |
| |
| |
| define i32 @test_as0(i32 addrspace(0)* %a) { |
| ; CHECK-LABEL: @test_as0( |
| ; CHECK: %arrayidx = getelementptr i32, i32* %a, i32 1 |
| %arrayidx = getelementptr i32, i32 addrspace(0)* %a, i64 1 |
| %y = load i32, i32 addrspace(0)* %arrayidx, align 4 |
| ret i32 %y |
| } |
| |
| define i32 @test_as1(i32 addrspace(1)* %a) { |
| ; CHECK-LABEL: @test_as1( |
| ; CHECK: %arrayidx = getelementptr i32, i32 addrspace(1)* %a, i64 1 |
| %arrayidx = getelementptr i32, i32 addrspace(1)* %a, i32 1 |
| %y = load i32, i32 addrspace(1)* %arrayidx, align 4 |
| ret i32 %y |
| } |
| |
| define i32 @test_as2(i32 addrspace(2)* %a) { |
| ; CHECK-LABEL: @test_as2( |
| ; CHECK: %arrayidx = getelementptr i32, i32 addrspace(2)* %a, i8 1 |
| %arrayidx = getelementptr i32, i32 addrspace(2)* %a, i32 1 |
| %y = load i32, i32 addrspace(2)* %arrayidx, align 4 |
| ret i32 %y |
| } |
| |
| define i32 @test_as3(i32 addrspace(3)* %a) { |
| ; CHECK-LABEL: @test_as3( |
| ; CHECK: %arrayidx = getelementptr i32, i32 addrspace(3)* %a, i16 1 |
| %arrayidx = getelementptr i32, i32 addrspace(3)* %a, i32 1 |
| %y = load i32, i32 addrspace(3)* %arrayidx, align 4 |
| ret i32 %y |
| } |
| |
| define i32 @test_combine_ptrtoint(i32 addrspace(2)* %a) { |
| ; CHECK-LABEL: @test_combine_ptrtoint( |
| ; CHECK-NEXT: %y = load i32, i32 addrspace(2)* %a |
| ; CHECK-NEXT: ret i32 %y |
| %cast = ptrtoint i32 addrspace(2)* %a to i8 |
| %castback = inttoptr i8 %cast to i32 addrspace(2)* |
| %y = load i32, i32 addrspace(2)* %castback, align 4 |
| ret i32 %y |
| } |
| |
| define i8 @test_combine_inttoptr(i8 %a) { |
| ; CHECK-LABEL: @test_combine_inttoptr( |
| ; CHECK-NEXT: ret i8 %a |
| %cast = inttoptr i8 %a to i32 addrspace(2)* |
| %castback = ptrtoint i32 addrspace(2)* %cast to i8 |
| ret i8 %castback |
| } |
| |
| define i32 @test_combine_vector_ptrtoint(<2 x i32 addrspace(2)*> %a) { |
| ; CHECK-LABEL: @test_combine_vector_ptrtoint( |
| ; CHECK-NEXT: %p = extractelement <2 x i32 addrspace(2)*> %a, i32 0 |
| ; CHECK-NEXT: %y = load i32, i32 addrspace(2)* %p, align 4 |
| ; CHECK-NEXT: ret i32 %y |
| %cast = ptrtoint <2 x i32 addrspace(2)*> %a to <2 x i8> |
| %castback = inttoptr <2 x i8> %cast to <2 x i32 addrspace(2)*> |
| %p = extractelement <2 x i32 addrspace(2)*> %castback, i32 0 |
| %y = load i32, i32 addrspace(2)* %p, align 4 |
| ret i32 %y |
| } |
| |
| define <2 x i8> @test_combine_vector_inttoptr(<2 x i8> %a) { |
| ; CHECK-LABEL: @test_combine_vector_inttoptr( |
| ; CHECK-NEXT: ret <2 x i8> %a |
| %cast = inttoptr <2 x i8> %a to <2 x i32 addrspace(2)*> |
| %castback = ptrtoint <2 x i32 addrspace(2)*> %cast to <2 x i8> |
| ret <2 x i8> %castback |
| } |
| |
| ; Check that the GEP index is changed to the address space integer type (i64 -> i8) |
| define i32 addrspace(2)* @shrink_gep_constant_index_64_as2(i32 addrspace(2)* %p) { |
| ; CHECK-LABEL: @shrink_gep_constant_index_64_as2( |
| ; CHECK-NEXT: getelementptr i32, i32 addrspace(2)* %p, i8 1 |
| %ret = getelementptr i32, i32 addrspace(2)* %p, i64 1 |
| ret i32 addrspace(2)* %ret |
| } |
| |
| define i32 addrspace(2)* @shrink_gep_constant_index_32_as2(i32 addrspace(2)* %p) { |
| ; CHECK-LABEL: @shrink_gep_constant_index_32_as2( |
| ; CHECK-NEXT: getelementptr i32, i32 addrspace(2)* %p, i8 1 |
| %ret = getelementptr i32, i32 addrspace(2)* %p, i32 1 |
| ret i32 addrspace(2)* %ret |
| } |
| |
| define i32 addrspace(3)* @shrink_gep_constant_index_64_as3(i32 addrspace(3)* %p) { |
| ; CHECK-LABEL: @shrink_gep_constant_index_64_as3( |
| ; CHECK-NEXT: getelementptr i32, i32 addrspace(3)* %p, i16 1 |
| %ret = getelementptr i32, i32 addrspace(3)* %p, i64 1 |
| ret i32 addrspace(3)* %ret |
| } |
| |
| define i32 addrspace(2)* @shrink_gep_variable_index_64_as2(i32 addrspace(2)* %p, i64 %idx) { |
| ; CHECK-LABEL: @shrink_gep_variable_index_64_as2( |
| ; CHECK-NEXT: %1 = trunc i64 %idx to i8 |
| ; CHECK-NEXT: getelementptr i32, i32 addrspace(2)* %p, i8 %1 |
| %ret = getelementptr i32, i32 addrspace(2)* %p, i64 %idx |
| ret i32 addrspace(2)* %ret |
| } |
| |
| define i32 addrspace(1)* @grow_gep_variable_index_8_as1(i32 addrspace(1)* %p, i8 %idx) { |
| ; CHECK-LABEL: @grow_gep_variable_index_8_as1( |
| ; CHECK-NEXT: %1 = sext i8 %idx to i64 |
| ; CHECK-NEXT: getelementptr i32, i32 addrspace(1)* %p, i64 %1 |
| %ret = getelementptr i32, i32 addrspace(1)* %p, i8 %idx |
| ret i32 addrspace(1)* %ret |
| } |
| |