| // NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py |
| // RUN: %clang_cc1 -no-opaque-pointers -triple x86_64-linux-gnu -emit-llvm %s -o - | FileCheck %s |
| |
| char buffer[32] = "This is a largely unused buffer"; |
| |
| // __builtin___clear_cache always maps to @llvm.clear_cache, but what |
| // each back-end produces is different, and this is tested in LLVM |
| |
| // CHECK-LABEL: @main( |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: [[RETVAL:%.*]] = alloca i32, align 4 |
| // CHECK-NEXT: store i32 0, i32* [[RETVAL]], align 4 |
| // CHECK-NEXT: call void @llvm.clear_cache(i8* getelementptr inbounds ([32 x i8], [32 x i8]* @buffer, i64 0, i64 0), i8* getelementptr inbounds ([32 x i8], [32 x i8]* @buffer, i64 1, i64 0)) |
| // CHECK-NEXT: ret i32 0 |
| // |
| int main(void) { |
| __builtin___clear_cache(buffer, buffer+32); |
| return 0; |
| } |
