derek.holloway
7502bf64a4
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42 lines
1.8 KiB
C
42 lines
1.8 KiB
C
// RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -emit-llvm %s -o - \
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// RUN: | FileCheck %s --check-prefix=CHECK
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// RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -DOCL12 -x cl -std=cl1.2 \
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// RUN: -emit-llvm %s -o - | FileCheck %s --check-prefix=CHECK-CL12
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// RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -x cl -std=cl2.0 \
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// RUN: -emit-llvm %s -o - | FileCheck %s --check-prefix=CHECK-CL20
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#if defined(OCL12)
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#define CAST (char *)(unsigned long)
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#else
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#define CAST (char *)
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#endif
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void allocas(unsigned long n) {
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char *a = CAST __builtin_alloca(n);
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char *uninitialized_a = CAST __builtin_alloca_uninitialized(n);
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char *aligned_a = CAST __builtin_alloca_with_align(n, 8);
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char *aligned_uninitialized_a = CAST __builtin_alloca_with_align_uninitialized(n, 8);
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}
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// CHECK: @allocas(
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// CHECK: store i64 %n, ptr %n.addr.ascast, align 8
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// CHECK: %0 = load i64, ptr %n.addr.ascast, align 8
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// CHECK: %1 = alloca i8, i64 %0, align 8, addrspace(5)
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// CHECK: %2 = addrspacecast ptr addrspace(5) %1 to ptr
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// CHECK: store ptr %2, ptr %a.ascast, align 8
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// CHECK: %3 = load i64, ptr %n.addr.ascast, align 8
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// CHECK: %4 = alloca i8, i64 %3, align 8, addrspace(5)
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// CHECK: %5 = addrspacecast ptr addrspace(5) %4 to ptr
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// CHECK: store ptr %5, ptr %uninitialized_a.ascast, align 8
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// CHECK: %6 = load i64, ptr %n.addr.ascast, align 8
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// CHECK: %7 = alloca i8, i64 %6, align 1, addrspace(5)
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// CHECK: %8 = addrspacecast ptr addrspace(5) %7 to ptr
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// CHECK: store ptr %8, ptr %aligned_a.ascast, align 8
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// CHECK: %9 = load i64, ptr %n.addr.ascast, align 8
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// CHECK: %10 = alloca i8, i64 %9, align 1, addrspace(5)
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// CHECK: %11 = addrspacecast ptr addrspace(5) %10 to ptr
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// CHECK: store ptr %11, ptr %aligned_uninitialized_a.ascast, align 8
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// CHECK: ret void
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// CHECK-CL12-NOT: addrspacecast
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// CHECK-CL20-NOT: addrspacecast
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