diff options
Diffstat (limited to 'test/SemaCXX/pragma-optimize.cpp')
| -rw-r--r-- | test/SemaCXX/pragma-optimize.cpp | 53 |
1 files changed, 52 insertions, 1 deletions
diff --git a/test/SemaCXX/pragma-optimize.cpp b/test/SemaCXX/pragma-optimize.cpp index 0f03b81..48a1546 100644 --- a/test/SemaCXX/pragma-optimize.cpp +++ b/test/SemaCXX/pragma-optimize.cpp @@ -1,4 +1,6 @@ -// RUN: %clang_cc1 -x c++ -std=c++11 -triple x86_64-unknown-linux -emit-llvm -O2 < %s | FileCheck %s +// RUN: %clang_cc1 -I %S/Inputs -x c++ -std=c++11 -triple x86_64-unknown-linux -emit-llvm -O2 < %s | FileCheck %s +// RUN: %clang_cc1 -I %S/Inputs -x c++ -std=c++11 -triple x86_64-unknown-linux -emit-llvm -Os < %s | FileCheck %s +// RUN: %clang_cc1 -I %S/Inputs -x c++ -std=c++11 -triple x86_64-unknown-linux -emit-llvm -Oz < %s | FileCheck %s #pragma clang optimize off @@ -55,6 +57,13 @@ int __attribute__((always_inline)) baz(int z) { } // CHECK-DAG: @_Z3bazi{{.*}} [[ATTRBAZ:#[0-9]+]] +// This function definition will not be decorated with `optnone` because the +// attribute would conflict with `minsize`. +int __attribute__((minsize)) bax(int z) { + return foo(z, 2); +} +// CHECK-DAG: @_Z3baxi{{.*}} [[ATTRBAX:#[0-9]+]] + #pragma clang optimize on // The function "int wombat(int param)" created by the macro is not @@ -96,18 +105,60 @@ int container3 (int par) { // CHECK-DAG: @_Z6thriceIiET_S0_{{.*}} [[ATTRTHRICEINT:#[0-9]+]] +// Test that we can re-open and re-close an "off" region after the first one, +// and that this works as expected. + +#pragma clang optimize off + +int another_optnone(int x) { + return x << 1; +} +// CHECK-DAG: @_Z15another_optnonei{{.*}} [[ATTRANOTHEROPTNONE:#[0-9]+]] + +#pragma clang optimize on + +int another_normal(int x) { + return x << 2; +} +// CHECK-DAG: @_Z14another_normali{{.*}} [[ATTRANOTHERNORMAL:#[0-9]+]] + + +// Test that we can re-open an "off" region by including a header with the +// pragma and that this works as expected (i.e. the off region "falls through" +// the end of the header into this file). + +#include <header-with-pragma-optimize-off.h> + +int yet_another_optnone(int x) { + return x << 3; +} +// CHECK-DAG: @_Z19yet_another_optnonei{{.*}} [[ATTRYETANOTHEROPTNONE:#[0-9]+]] + +#pragma clang optimize on + +int yet_another_normal(int x) { + return x << 4; +} +// CHECK-DAG: @_Z18yet_another_normali{{.*}} [[ATTRYETANOTHERNORMAL:#[0-9]+]] + + // Check for both noinline and optnone on each function that should have them. // CHECK-DAG: attributes [[ATTRBAR]] = { {{.*}}noinline{{.*}}optnone{{.*}} } // CHECK-DAG: attributes [[ATTRCREATED]] = { {{.*}}noinline{{.*}}optnone{{.*}} } // CHECK-DAG: attributes [[ATTRMETHOD]] = { {{.*}}noinline{{.*}}optnone{{.*}} } // CHECK-DAG: attributes [[ATTRTHRICEFLOAT]] = { {{.*}}noinline{{.*}}optnone{{.*}} } +// CHECK-DAG: attributes [[ATTRANOTHEROPTNONE]] = { {{.*}}noinline{{.*}}optnone{{.*}} } +// CHECK-DAG: attributes [[ATTRYETANOTHEROPTNONE]] = { {{.*}}noinline{{.*}}optnone{{.*}} } // Check that the other functions do NOT have optnone. // CHECK-DAG-NOT: attributes [[ATTRFOO]] = { {{.*}}optnone{{.*}} } // CHECK-DAG-NOT: attributes [[ATTRBAZ]] = { {{.*}}optnone{{.*}} } +// CHECK-DAG-NOT: attributes [[ATTRBAX]] = { {{.*}}optnone{{.*}} } // CHECK-DAG-NOT: attributes [[ATTRWOMBAT]] = { {{.*}}optnone{{.*}} } // CHECK-DAG-NOT: attributes [[ATTRCONTAINER]] = { {{.*}}optnone{{.*}} } // CHECK-DAG-NOT: attributes [[ATTRTWICE]] = { {{.*}}optnone{{.*}} } // CHECK-DAG-NOT: attributes [[ATTRCONTAINER2]] = { {{.*}}optnone{{.*}} } // CHECK-DAG-NOT: attributes [[ATTRCONTAINER3]] = { {{.*}}optnone{{.*}} } // CHECK-DAG-NOT: attributes [[ATTRTHRICEINT]] = { {{.*}}optnone{{.*}} } +// CHECK-DAG-NOT: attributes [[ATTRANOTHERNORMAL]] = { {{.*}}optnone{{.*}} } +// CHECK-DAG-NOT: attributes [[ATTRYETANOTHERNORMAL]] = { {{.*}}optnone{{.*}} } |
