| 1 | // RUN: %clang_cc1 %s -triple x86_64-unknown-linux-gnu -O0 -ffake-address-space-map -cl-std=CL2.0 -emit-llvm -o - | FileCheck %s |
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| 2 | // RUN: %clang_cc1 %s -triple x86_64-unknown-linux-gnu -O0 -cl-std=CL2.0 -emit-llvm -o - | FileCheck --check-prefix=CHECK-NOFAKE %s |
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| 3 | // When -ffake-address-space-map is not used, all addr space mapped to 0 for x86_64. |
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| 4 | |
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| 5 | // test that we generate address space casts everywhere we need conversions of |
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| 6 | // pointers to different address spaces |
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| 7 | |
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| 8 | // CHECK: define void @test |
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| 9 | void test(global int *arg_glob, generic int *arg_gen) { |
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| 10 | int var_priv; |
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| 11 | arg_gen = arg_glob; // implicit cast global -> generic |
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| 12 | // CHECK: %{{[0-9]+}} = addrspacecast i32 addrspace(1)* %{{[0-9]+}} to i32 addrspace(4)* |
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| 13 | // CHECK-NOFAKE-NOT: addrspacecast |
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| 14 | |
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| 15 | arg_gen = &var_priv; // implicit cast with obtaining adr, private -> generic |
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| 16 | // CHECK: %{{[0-9]+}} = addrspacecast i32* %var_priv to i32 addrspace(4)* |
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| 17 | // CHECK-NOFAKE-NOT: addrspacecast |
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| 18 | |
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| 19 | arg_glob = (global int *)arg_gen; // explicit cast |
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| 20 | // CHECK: %{{[0-9]+}} = addrspacecast i32 addrspace(4)* %{{[0-9]+}} to i32 addrspace(1)* |
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| 21 | // CHECK-NOFAKE-NOT: addrspacecast |
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| 22 | |
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| 23 | global int *var_glob = |
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| 24 | (global int *)arg_glob; // explicit cast in the same address space |
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| 25 | // CHECK-NOT: %{{[0-9]+}} = addrspacecast i32 addrspace(1)* %{{[0-9]+}} to i32 addrspace(1)* |
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| 26 | // CHECK-NOFAKE-NOT: addrspacecast |
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| 27 | |
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| 28 | var_priv = arg_gen - arg_glob; // arithmetic operation |
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| 29 | // CHECK: %{{.*}} = ptrtoint i32 addrspace(4)* %{{.*}} to i64 |
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| 30 | // CHECK: %{{.*}} = ptrtoint i32 addrspace(1)* %{{.*}} to i64 |
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| 31 | // CHECK-NOFAKE: %{{.*}} = ptrtoint i32* %{{.*}} to i64 |
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| 32 | // CHECK-NOFAKE: %{{.*}} = ptrtoint i32* %{{.*}} to i64 |
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| 33 | |
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| 34 | var_priv = arg_gen > arg_glob; // comparison |
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| 35 | // CHECK: %{{[0-9]+}} = addrspacecast i32 addrspace(1)* %{{[0-9]+}} to i32 addrspace(4)* |
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| 36 | |
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| 37 | generic void *var_gen_v = arg_glob; |
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| 38 | // CHECK: addrspacecast |
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| 39 | // CHECK-NOT: bitcast |
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| 40 | // CHECK-NOFAKE: bitcast |
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| 41 | // CHECK-NOFAKE-NOT: addrspacecast |
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| 42 | } |
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| 43 | |
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| 44 | // Test ternary operator. |
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| 45 | // CHECK: define void @test_ternary |
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| 46 | void test_ternary(void) { |
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| 47 | global int *var_glob; |
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| 48 | generic int *var_gen; |
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| 49 | generic int *var_gen2; |
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| 50 | generic float *var_gen_f; |
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| 51 | generic void *var_gen_v; |
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| 52 | |
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| 53 | var_gen = var_gen ? var_gen : var_gen2; // operands of the same addr spaces and the same type |
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| 54 | // CHECK: icmp |
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| 55 | // CHECK-NOT: addrspacecast |
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| 56 | // CHECK-NOT: bitcast |
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| 57 | // CHECK: phi |
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| 58 | // CHECK: store i32 addrspace(4)* %{{.+}}, i32 addrspace(4)** %{{.+}} |
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| 59 | |
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| 60 | var_gen = var_gen ? var_gen : var_glob; // operands of overlapping addr spaces and the same type |
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| 61 | // CHECK: icmp |
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| 62 | // CHECK-NOT: bitcast |
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| 63 | // CHECK: %{{.+}} = addrspacecast i32 addrspace(1)* %{{.+}} to i32 addrspace(4)* |
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| 64 | // CHECK: phi |
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| 65 | // CHECK: store |
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| 66 | |
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| 67 | typedef int int_t; |
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| 68 | global int_t *var_glob_typedef; |
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| 69 | var_gen = var_gen ? var_gen : var_glob_typedef; // operands of overlapping addr spaces and equivalent types |
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| 70 | // CHECK: icmp |
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| 71 | // CHECK-NOT: bitcast |
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| 72 | // CHECK: %{{.+}} = addrspacecast i32 addrspace(1)* %{{.+}} to i32 addrspace(4)* |
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| 73 | // CHECK: phi |
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| 74 | // CHECK: store |
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| 75 | |
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| 76 | var_gen_v = var_gen ? var_gen : var_gen_f; // operands of the same addr space and different types |
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| 77 | // CHECK: icmp |
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| 78 | // CHECK: %{{.+}} = bitcast i32 addrspace(4)* %{{.+}} to i8 addrspace(4)* |
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| 79 | // CHECK: %{{.+}} = bitcast float addrspace(4)* %{{.+}} to i8 addrspace(4)* |
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| 80 | // CHECK: phi |
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| 81 | // CHECK: store |
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| 82 | |
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| 83 | var_gen_v = var_gen ? var_glob : var_gen_f; // operands of overlapping addr spaces and different types |
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| 84 | // CHECK: icmp |
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| 85 | // CHECK: %{{.+}} = addrspacecast i32 addrspace(1)* %{{.+}} to i8 addrspace(4)* |
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| 86 | // CHECK: %{{.+}} = bitcast float addrspace(4)* %{{.+}} to i8 addrspace(4)* |
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| 87 | // CHECK: phi |
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| 88 | // CHECK: store |
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| 89 | } |
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| 90 | |
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