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