1*67e74705SXin Li// RUN: %clang_cc1 -triple i386-apple-darwin10 -fobjc-runtime=macosx-fragile-10.5 -emit-llvm -o %t1 %s 2*67e74705SXin Li// RUN: FileCheck -check-prefix=CHECK-I386 < %t1 %s 3*67e74705SXin Li 4*67e74705SXin Li// RUN: %clang_cc1 -triple armv6-apple-darwin10 -fobjc-runtime=macosx-fragile-10.5 -target-abi apcs-gnu -emit-llvm -o %t2 %s 5*67e74705SXin Li// RUN: FileCheck -check-prefix=CHECK-ARM < %t2 %s 6*67e74705SXin Li 7*67e74705SXin Li@interface I0 { 8*67e74705SXin Li@public 9*67e74705SXin Li unsigned x:15; 10*67e74705SXin Li unsigned y: 1; 11*67e74705SXin Li} 12*67e74705SXin Li@end 13*67e74705SXin Li 14*67e74705SXin Li// Check that we don't try to use an i32 load here, which would reach beyond the 15*67e74705SXin Li// end of the structure. 16*67e74705SXin Li// 17*67e74705SXin Li// CHECK-I386-LABEL: define i32 @f0( 18*67e74705SXin Li// CHECK-I386: [[t0_0:%.*]] = load i8, i8* {{.*}}, align 1 19*67e74705SXin Li// CHECK-I386: lshr i8 [[t0_0]], 7 20*67e74705SXin Li// CHECK-I386: } 21*67e74705SXin Liint f0(I0 *a) { 22*67e74705SXin Li return a->y; 23*67e74705SXin Li} 24*67e74705SXin Li 25*67e74705SXin Li// Check that we can handled straddled loads. 26*67e74705SXin Li// 27*67e74705SXin Li// CHECK-ARM-LABEL: define i32 @f1( 28*67e74705SXin Li// CHECK-ARM: [[t1_ptr:%.*]] = getelementptr 29*67e74705SXin Li// CHECK-ARM: [[t1_base:%.*]] = bitcast i8* [[t1_ptr]] to i40* 30*67e74705SXin Li// CHECK-ARM: [[t1_0:%.*]] = load i40, i40* [[t1_base]], align 1 31*67e74705SXin Li// CHECK-ARM: [[t1_1:%.*]] = lshr i40 [[t1_0]], 1 32*67e74705SXin Li// CHECK-ARM: [[t1_2:%.*]] = and i40 [[t1_1]], 33*67e74705SXin Li// CHECK-ARM: trunc i40 [[t1_2]] to i32 34*67e74705SXin Li// CHECK-ARM: } 35*67e74705SXin Li@interface I1 { 36*67e74705SXin Li@public 37*67e74705SXin Li unsigned x: 1; 38*67e74705SXin Li unsigned y:32; 39*67e74705SXin Li} 40*67e74705SXin Li@end 41*67e74705SXin Li 42*67e74705SXin Liint f1(I1 *a) { return a->y; } 43