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a7566f163a
- This fixes many many more places than the test case, but my feeling is we need to audit alignment systematically so I'm not inclined to try hard to test the individual fixes in this patch. If this bothers you, patches welcome! PR6240. llvm-svn: 95648
39 lines
2.0 KiB
C
39 lines
2.0 KiB
C
// RUN: %clang_cc1 -emit-llvm < %s -o - | FileCheck %s
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// CHECK:%struct.S = type { i32, i32 }
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// CHECK:define void @test_addrspace(%struct.S addrspace(1)* %p1, %struct.S addrspace(2)* %p2) nounwind
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// CHECK: [[p1addr:%.*]] = alloca %struct.S addrspace(1)*
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// CHECK: [[p2addr:%.*]] = alloca %struct.S addrspace(2)*
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// CHECK: store %struct.S addrspace(1)* %p1, %struct.S addrspace(1)** [[p1addr]]
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// CHECK: store %struct.S addrspace(2)* %p2, %struct.S addrspace(2)** [[p2addr]]
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// CHECK: [[t0:%.*]] = load %struct.S addrspace(2)** [[p2addr]] ; <%struct.S addrspace(2)*> [#uses=1]
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// CHECK: [[t1:%.*]] = getelementptr inbounds %struct.S addrspace(2)* [[t0]], i32 0, i32 1 ; <i32 addrspace(2)*> [#uses=1]
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// CHECK: [[t2:%.*]] = load i32 addrspace(2)* [[t1]] ; <i32> [#uses=1]
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// CHECK: [[t3:%.*]] = load %struct.S addrspace(1)** [[p1addr]] ; <%struct.S addrspace(1)*> [#uses=1]
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// CHECK: [[t4:%.*]] = getelementptr inbounds %struct.S addrspace(1)* [[t3]], i32 0, i32 0 ; <i32 addrspace(1)*> [#uses=1]
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// CHECK: store i32 [[t2]], i32 addrspace(1)* [[t4]]
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// CHECK: [[t5:%.*]] = load %struct.S addrspace(2)** [[p2addr]] ; <%struct.S addrspace(2)*> [#uses=1]
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// CHECK: [[t6:%.*]] = getelementptr inbounds %struct.S addrspace(2)* [[t5]], i32 0, i32 0 ; <i32 addrspace(2)*> [#uses=1]
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// CHECK: [[t7:%.*]] = load i32 addrspace(2)* [[t6]] ; <i32> [#uses=1]
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// CHECK: [[t8:%.*]] = load %struct.S addrspace(1)** [[p1addr]] ; <%struct.S addrspace(1)*> [#uses=1]
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// CHECK: [[t9:%.*]] = getelementptr inbounds %struct.S addrspace(1)* [[t8]], i32 0, i32 1 ; <i32 addrspace(1)*> [#uses=1]
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// CHECK: store i32 [[t7]], i32 addrspace(1)* [[t9]]
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// CHECK: ret void
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// CHECK:}
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// Check that we don't lose the address space when accessing a member
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// of a structure.
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#define __addr1 __attribute__((address_space(1)))
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#define __addr2 __attribute__((address_space(2)))
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typedef struct S {
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int a;
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int b;
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} S;
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void test_addrspace(__addr1 S* p1, __addr2 S*p2) {
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// swap
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p1->a = p2->b;
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p1->b = p2->a;
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}
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