| // RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -o - %s | FileCheck %s |
| |
| typedef double * __attribute__((align_value(64))) aligned_double; |
| |
| void foo(aligned_double x, double * y __attribute__((align_value(32))), |
| double & z __attribute__((align_value(128)))) { }; |
| // CHECK: define void @_Z3fooPdS_Rd(double* align 64 %x, double* align 32 %y, double* align 128 dereferenceable(8) %z) |
| |
| struct ad_struct { |
| aligned_double a; |
| }; |
| |
| double *foo(ad_struct& x) { |
| // CHECK-LABEL: @_Z3fooR9ad_struct |
| |
| // CHECK: [[PTRINT1:%.+]] = ptrtoint |
| // CHECK: [[MASKEDPTR1:%.+]] = and i64 [[PTRINT1]], 63 |
| // CHECK: [[MASKCOND1:%.+]] = icmp eq i64 [[MASKEDPTR1]], 0 |
| // CHECK: call void @llvm.assume(i1 [[MASKCOND1]]) |
| return x.a; |
| } |
| |
| double *goo(ad_struct *x) { |
| // CHECK-LABEL: @_Z3gooP9ad_struct |
| |
| // CHECK: [[PTRINT2:%.+]] = ptrtoint |
| // CHECK: [[MASKEDPTR2:%.+]] = and i64 [[PTRINT2]], 63 |
| // CHECK: [[MASKCOND2:%.+]] = icmp eq i64 [[MASKEDPTR2]], 0 |
| // CHECK: call void @llvm.assume(i1 [[MASKCOND2]]) |
| return x->a; |
| } |
| |
| double *bar(aligned_double *x) { |
| // CHECK-LABEL: @_Z3barPPd |
| |
| // CHECK: [[PTRINT3:%.+]] = ptrtoint |
| // CHECK: [[MASKEDPTR3:%.+]] = and i64 [[PTRINT3]], 63 |
| // CHECK: [[MASKCOND3:%.+]] = icmp eq i64 [[MASKEDPTR3]], 0 |
| // CHECK: call void @llvm.assume(i1 [[MASKCOND3]]) |
| return *x; |
| } |
| |
| double *car(aligned_double &x) { |
| // CHECK-LABEL: @_Z3carRPd |
| |
| // CHECK: [[PTRINT4:%.+]] = ptrtoint |
| // CHECK: [[MASKEDPTR4:%.+]] = and i64 [[PTRINT4]], 63 |
| // CHECK: [[MASKCOND4:%.+]] = icmp eq i64 [[MASKEDPTR4]], 0 |
| // CHECK: call void @llvm.assume(i1 [[MASKCOND4]]) |
| return x; |
| } |
| |
| double *dar(aligned_double *x) { |
| // CHECK-LABEL: @_Z3darPPd |
| |
| // CHECK: [[PTRINT5:%.+]] = ptrtoint |
| // CHECK: [[MASKEDPTR5:%.+]] = and i64 [[PTRINT5]], 63 |
| // CHECK: [[MASKCOND5:%.+]] = icmp eq i64 [[MASKEDPTR5]], 0 |
| // CHECK: call void @llvm.assume(i1 [[MASKCOND5]]) |
| return x[5]; |
| } |
| |
| aligned_double eep(); |
| double *ret() { |
| // CHECK-LABEL: @_Z3retv |
| |
| // CHECK: [[PTRINT6:%.+]] = ptrtoint |
| // CHECK: [[MASKEDPTR6:%.+]] = and i64 [[PTRINT6]], 63 |
| // CHECK: [[MASKCOND6:%.+]] = icmp eq i64 [[MASKEDPTR6]], 0 |
| // CHECK: call void @llvm.assume(i1 [[MASKCOND6]]) |
| return eep(); |
| } |
| |
| double **no1(aligned_double *x) { |
| // CHECK-LABEL: @_Z3no1PPd |
| return x; |
| // CHECK-NOT: call void @llvm.assume |
| } |
| |
| double *&no2(aligned_double &x) { |
| // CHECK-LABEL: @_Z3no2RPd |
| return x; |
| // CHECK-NOT: call void @llvm.assume |
| } |
| |
| double **no3(aligned_double &x) { |
| // CHECK-LABEL: @_Z3no3RPd |
| return &x; |
| // CHECK-NOT: call void @llvm.assume |
| } |
| |
| double no3(aligned_double x) { |
| // CHECK-LABEL: @_Z3no3Pd |
| return *x; |
| // CHECK-NOT: call void @llvm.assume |
| } |
| |
| double *no4(aligned_double x) { |
| // CHECK-LABEL: @_Z3no4Pd |
| return x; |
| // CHECK-NOT: call void @llvm.assume |
| } |
| |