15 lines · cpp
1// RUN: %clang_cc1 -x c++-header -triple x86_64-apple-darwin11 -emit-pch -O2 -fblocks -fno-escaping-block-tail-calls -o %t %S/no-escaping-block-tail-calls.h2// RUN: %clang_cc1 -triple x86_64-apple-darwin11 -include-pch %t -emit-llvm -O2 -fblocks -fno-escaping-block-tail-calls -o - %s | FileCheck %s3 4// Check that -fno-escaping-block-tail-calls doesn't disable tail-call5// optimization if the block is non-escaping.6 7// CHECK-LABEL: define internal noundef i32 @___ZN1S1mEv_block_invoke(8// CHECK: %[[CALL:.*]] = tail call noundef i32 @_ZN1S3fooER2S0(9// CHECK-NEXT: ret i32 %[[CALL]]10 11void test() {12 S s;13 s.m();14}15