// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -o - %s | FileCheck %s // CHECK-LABEL: @test1 int test1(int *a) { // CHECK: [[PTRINT1:%.+]] = ptrtoint // CHECK: [[MASKEDPTR1:%.+]] = and i64 [[PTRINT1]], 31 // CHECK: [[MASKCOND1:%.+]] = icmp eq i64 [[MASKEDPTR1]], 0 // CHECK: call void @llvm.assume(i1 [[MASKCOND1]]) a = __builtin_assume_aligned(a, 32, 0ull); return a[0]; } // CHECK-LABEL: @test2 int test2(int *a) { // CHECK: [[PTRINT2:%.+]] = ptrtoint // CHECK: [[MASKEDPTR2:%.+]] = and i64 [[PTRINT2]], 31 // CHECK: [[MASKCOND2:%.+]] = icmp eq i64 [[MASKEDPTR2]], 0 // CHECK: call void @llvm.assume(i1 [[MASKCOND2]]) a = __builtin_assume_aligned(a, 32, 0); return a[0]; } // CHECK-LABEL: @test3 int test3(int *a) { // CHECK: [[PTRINT3:%.+]] = ptrtoint // CHECK: [[MASKEDPTR3:%.+]] = and i64 [[PTRINT3]], 31 // CHECK: [[MASKCOND3:%.+]] = icmp eq i64 [[MASKEDPTR3]], 0 // CHECK: call void @llvm.assume(i1 [[MASKCOND3]]) a = __builtin_assume_aligned(a, 32); return a[0]; } // CHECK-LABEL: @test4 int test4(int *a, int b) { // CHECK-DAG: [[PTRINT4:%.+]] = ptrtoint // CHECK-DAG: [[CONV4:%.+]] = sext i32 // CHECK: [[OFFSETPTR4:%.+]] = sub i64 [[PTRINT4]], [[CONV4]] // CHECK: [[MASKEDPTR4:%.+]] = and i64 [[OFFSETPTR4]], 31 // CHECK: [[MASKCOND4:%.+]] = icmp eq i64 [[MASKEDPTR4]], 0 // CHECK: call void @llvm.assume(i1 [[MASKCOND4]]) a = __builtin_assume_aligned(a, 32, b); return a[0]; }