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