|  | // This file tests the -Rpass family of flags (-Rpass, -Rpass-missed | 
|  | // and -Rpass-analysis) with the inliner. The test is designed to | 
|  | // always trigger the inliner, so it should be independent of the | 
|  | // optimization level. | 
|  |  | 
|  | // RUN: %clang_cc1 %s -Rpass=inline -Rpass-analysis=inline -Rpass-missed=inline -O0 -emit-llvm-only -verify | 
|  | // RUN: %clang_cc1 %s -Rpass=inline -Rpass-analysis=inline -Rpass-missed=inline -O0 -emit-llvm-only -debug-info-kind=line-tables-only -verify | 
|  | // RUN: %clang_cc1 %s -Rpass=inline -emit-llvm -o - 2>/dev/null | FileCheck %s | 
|  | // | 
|  | // Check that we can override -Rpass= with -Rno-pass. | 
|  | // RUN: %clang_cc1 %s -Rpass=inline -emit-llvm -o - 2>&1 | FileCheck %s --check-prefix=CHECK-REMARKS | 
|  | // RUN: %clang_cc1 %s -Rpass=inline -Rno-pass -emit-llvm -o - 2>&1 | FileCheck %s --check-prefix=CHECK-NO-REMARKS | 
|  | // RUN: %clang_cc1 %s -Rpass=inline -Rno-everything -emit-llvm -o - 2>&1 | FileCheck %s --check-prefix=CHECK-NO-REMARKS | 
|  | // RUN: %clang_cc1 %s -Rpass=inline -Rno-everything -Reverything -emit-llvm -o - 2>&1 | FileCheck %s --check-prefix=CHECK-REMARKS | 
|  | // | 
|  | // FIXME: -Reverything should imply -Rpass=.*. | 
|  | // RUN: %clang_cc1 %s -Reverything -emit-llvm -o - 2>/dev/null | FileCheck %s --check-prefix=CHECK-NO-REMARKS | 
|  | // | 
|  | // FIXME: -Rpass should either imply -Rpass=.* or should be rejected. | 
|  | // RUN: %clang_cc1 %s -Rpass -emit-llvm -o - 2>/dev/null | FileCheck %s --check-prefix=CHECK-NO-REMARKS | 
|  |  | 
|  | // CHECK-REMARKS: remark: | 
|  | // CHECK-NO-REMARKS-NOT: remark: | 
|  |  | 
|  | // -Rpass should produce source location annotations, exclusively (just | 
|  | // like -gmlt). | 
|  | // CHECK: , !dbg ! | 
|  | // CHECK-NOT: DW_TAG_base_type | 
|  |  | 
|  | // The CU should be marked NoDebug (to prevent writing debug info to | 
|  | // the final output). | 
|  | // CHECK: !llvm.dbg.cu = !{![[CU:.*]]} | 
|  | // CHECK: ![[CU]] = distinct !DICompileUnit({{.*}}emissionKind: NoDebug | 
|  |  | 
|  | int foo(int x, int y) __attribute__((always_inline)); | 
|  | int foo(int x, int y) { return x + y; } | 
|  |  | 
|  | float foz(int x, int y) __attribute__((noinline)); | 
|  | float foz(int x, int y) { return x * y; } | 
|  |  | 
|  | // The negative diagnostics are emitted twice because the inliner runs | 
|  | // twice. | 
|  | // | 
|  | int bar(int j) { | 
|  | // expected-remark@+3 {{foz not inlined into bar because it should never be inlined (cost=never)}} | 
|  | // expected-remark@+2 {{foz not inlined into bar because it should never be inlined (cost=never)}} | 
|  | // expected-remark@+1 {{foo inlined into bar}} | 
|  | return foo(j, j - 2) * foz(j - 2, j); | 
|  | } |