42 lines · c
1// RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -emit-llvm %s -o - \2// RUN: | FileCheck %s --check-prefix=CHECK3// RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -DOCL12 -x cl -std=cl1.2 \4// RUN: -emit-llvm %s -o - | FileCheck %s --check-prefix=CHECK-CL125// RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -x cl -std=cl2.0 \6// RUN: -emit-llvm %s -o - | FileCheck %s --check-prefix=CHECK-CL207 8#if defined(OCL12)9 #define CAST (char *)(unsigned long)10#else11 #define CAST (char *)12#endif13 14void allocas(unsigned long n) {15 char *a = CAST __builtin_alloca(n);16 char *uninitialized_a = CAST __builtin_alloca_uninitialized(n);17 char *aligned_a = CAST __builtin_alloca_with_align(n, 8);18 char *aligned_uninitialized_a = CAST __builtin_alloca_with_align_uninitialized(n, 8);19}20 21// CHECK: @allocas(22// CHECK: store i64 %n, ptr %n.addr.ascast, align 823// CHECK: %0 = load i64, ptr %n.addr.ascast, align 824// CHECK: %1 = alloca i8, i64 %0, align 8, addrspace(5)25// CHECK: %2 = addrspacecast ptr addrspace(5) %1 to ptr26// CHECK: store ptr %2, ptr %a.ascast, align 827// CHECK: %3 = load i64, ptr %n.addr.ascast, align 828// CHECK: %4 = alloca i8, i64 %3, align 8, addrspace(5)29// CHECK: %5 = addrspacecast ptr addrspace(5) %4 to ptr30// CHECK: store ptr %5, ptr %uninitialized_a.ascast, align 831// CHECK: %6 = load i64, ptr %n.addr.ascast, align 832// CHECK: %7 = alloca i8, i64 %6, align 1, addrspace(5)33// CHECK: %8 = addrspacecast ptr addrspace(5) %7 to ptr34// CHECK: store ptr %8, ptr %aligned_a.ascast, align 835// CHECK: %9 = load i64, ptr %n.addr.ascast, align 836// CHECK: %10 = alloca i8, i64 %9, align 1, addrspace(5)37// CHECK: %11 = addrspacecast ptr addrspace(5) %10 to ptr38// CHECK: store ptr %11, ptr %aligned_uninitialized_a.ascast, align 839// CHECK: ret void40// CHECK-CL12-NOT: addrspacecast41// CHECK-CL20-NOT: addrspacecast42