forked from OSchip/llvm-project
43 lines
1.3 KiB
C
43 lines
1.3 KiB
C
// RUN: %clang_cc1 -triple amdgcn---amdgiz -emit-llvm < %s | FileCheck -check-prefixes=CHECK,COM %s
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// CHECK-DAG: @foo = common addrspace(1) global i32 0
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int foo;
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// CHECK-DAG: @ban = common addrspace(1) global [10 x i32] zeroinitializer
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int ban[10];
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// CHECK-DAG: @A = common addrspace(1) global i32* null
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// CHECK-DAG: @B = common addrspace(1) global i32* null
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int *A;
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int *B;
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// COM-LABEL: define i32 @test1()
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// CHECK: load i32, i32* addrspacecast{{[^@]+}} @foo
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int test1() { return foo; }
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// COM-LABEL: define i32 @test2(i32 %i)
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// COM: %[[addr:.*]] = getelementptr
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// CHECK: load i32, i32* %[[addr]]
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// CHECK-NEXT: ret i32
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int test2(int i) { return ban[i]; }
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// COM-LABEL: define void @test3()
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// CHECK: load i32*, i32** addrspacecast{{.*}} @B
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// CHECK: load i32, i32*
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// CHECK: load i32*, i32** addrspacecast{{.*}} @A
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// CHECK: store i32 {{.*}}, i32*
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void test3() {
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*A = *B;
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}
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// CHECK-LABEL: define void @test4(i32* %a)
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// CHECK: %[[alloca:.*]] = alloca i32*, align 8, addrspace(5)
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// CHECK: %[[a_addr:.*]] = addrspacecast{{.*}} %[[alloca]] to i32**
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// CHECK: store i32* %a, i32** %[[a_addr]]
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// CHECK: %[[r0:.*]] = load i32*, i32** %[[a_addr]]
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// CHECK: %[[arrayidx:.*]] = getelementptr inbounds i32, i32* %[[r0]]
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// CHECK: store i32 0, i32* %[[arrayidx]]
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void test4(int *a) {
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a[0] = 0;
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}
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