| // RUN: %clang_cc1 %s -triple x86_64-pc-win32 -emit-llvm -o - | FileCheck %s |
| |
| typedef __SIZE_TYPE__ size_t; |
| typedef __WCHAR_TYPE__ wchar_t; |
| |
| const wchar_t *wmemchr_test(const wchar_t *s, const wchar_t c, size_t n) { |
| // CHECK-LABEL: define dso_local ptr @wmemchr_test |
| // CHECK: [[S:%.*]] = load |
| // CHECK: [[C:%.*]] = load |
| // CHECK: [[N:%.*]] = load |
| // CHECK: [[N0:%.*]] = icmp eq i64 [[N]], 0 |
| // CHECK: br i1 [[N0]], label %[[EXIT:.*]], label %[[EQ:.*]] |
| |
| // CHECK: [[EQ]]: |
| // CHECK: [[SP:%.*]] = phi ptr [ [[S]], %[[ENTRY:.*]] ], [ [[SN:.*]], %[[NEXT:.*]] ] |
| // CHECK: [[NP:%.*]] = phi i64 [ [[N]], %[[ENTRY]] ], [ [[NN:.*]], %[[NEXT]] ] |
| // CHECK: [[SL:%.*]] = load i16, ptr [[SP]], align 2 |
| // CHECK: [[RES:%.*]] = getelementptr inbounds i16, ptr [[SP]], i32 0 |
| // CHECK: [[CMPEQ:%.*]] = icmp eq i16 [[SL]], [[C]] |
| // CHECK: br i1 [[CMPEQ]], label %[[EXIT]], label %[[LT:.*]] |
| |
| // CHECK: [[NEXT]]: |
| // CHECK: [[SN]] = getelementptr inbounds i16, ptr [[SP]], i32 1 |
| // CHECK: [[NN]] = sub i64 [[NP]], 1 |
| // CHECK: [[NN0:%.*]] = icmp eq i64 [[NN]], 0 |
| // CHECK: br i1 [[NN0]], label %[[EXIT]], label %[[EQ]] |
| // |
| // CHECK: [[EXIT]]: |
| // CHECK: [[RV:%.*]] = phi ptr [ null, %[[ENTRY]] ], [ null, %[[NEXT]] ], [ [[RES]], %[[EQ]] ] |
| // CHECK: ret ptr [[RV]] |
| return __builtin_wmemchr(s, c, n); |
| } |
