| // RUN: %clang_cc1 -triple i386-apple-darwin10 -emit-llvm -o %t1 %s |
| // RUN: FileCheck -check-prefix=CHECK-I386 < %t1 %s |
| |
| // RUN: %clang_cc1 -triple armv6-apple-darwin10 -target-abi apcs-gnu -emit-llvm -o %t2 %s |
| // RUN: FileCheck -check-prefix=CHECK-ARM < %t2 %s |
| |
| @interface I0 { |
| @public |
| unsigned x:15; |
| unsigned y: 1; |
| } |
| @end |
| |
| // Check that we don't try to use an i32 load here, which would reach beyond the |
| // end of the structure. |
| // |
| // CHECK-I386: define i32 @f0( |
| // CHECK-I386: [[t0_0:%.*]] = load i16* {{.*}}, align 1 |
| // CHECK-I386: lshr i16 [[t0_0]], 7 |
| // CHECK-I386: } |
| int f0(I0 *a) { |
| return a->y; |
| } |
| |
| // Check that we can handled straddled loads. |
| // |
| // CHECK-ARM: define i32 @f1( |
| // CHECK-ARM: [[t1_ptr:%.*]] = getelementptr |
| // CHECK-ARM: [[t1_base:%.*]] = bitcast i8* [[t1_ptr]] to i32* |
| // CHECK-ARM: [[t1_0:%.*]] = load i32* [[t1_base]], align 1 |
| // CHECK-ARM: lshr i32 [[t1_0]], 1 |
| // CHECK-ARM: [[t1_base_2_cast:%.*]] = bitcast i32* %{{.*}} to i8* |
| // CHECK-ARM: [[t1_base_2:%.*]] = getelementptr i8* [[t1_base_2_cast]] |
| // CHECK-ARM: [[t1_1:%.*]] = load i8* [[t1_base_2]], align 1 |
| // CHECK-ARM: and i8 [[t1_1:%.*]], 1 |
| // CHECK-ARM: } |
| @interface I1 { |
| @public |
| unsigned x: 1; |
| unsigned y:32; |
| } |
| @end |
| |
| int f1(I1 *a) { return a->y; } |