1 // This file tests the -Rpass family of flags (-Rpass, -Rpass-missed 2 // and -Rpass-analysis) with the inliner. The test is designed to 3 // always trigger the inliner, so it should be independent of the 4 // optimization level. 5 6 // RUN: %clang_cc1 %s -Rpass=inline -Rpass-analysis=inline -Rpass-missed=inline -O0 -emit-llvm-only -verify 7 // RUN: %clang_cc1 %s -Rpass=inline -Rpass-analysis=inline -Rpass-missed=inline -O0 -emit-llvm-only -debug-info-kind=line-tables-only -verify 8 // RUN: %clang_cc1 %s -Rpass=inline -emit-llvm -o - 2>/dev/null | FileCheck %s 9 // 10 // Check that we can override -Rpass= with -Rno-pass. 11 // RUN: %clang_cc1 %s -Rpass=inline -emit-llvm -o - 2>&1 | FileCheck %s --check-prefix=CHECK-REMARKS 12 // RUN: %clang_cc1 %s -Rpass=inline -Rno-pass -emit-llvm -o - 2>&1 | FileCheck %s --check-prefix=CHECK-NO-REMARKS 13 // RUN: %clang_cc1 %s -Rpass=inline -Rno-everything -emit-llvm -o - 2>&1 | FileCheck %s --check-prefix=CHECK-NO-REMARKS 14 // RUN: %clang_cc1 %s -Rpass=inline -Rno-everything -Reverything -emit-llvm -o - 2>&1 | FileCheck %s --check-prefix=CHECK-REMARKS 15 // 16 // FIXME: -Reverything should imply -Rpass=.*. 17 // RUN: %clang_cc1 %s -Reverything -emit-llvm -o - 2>/dev/null | FileCheck %s --check-prefix=CHECK-NO-REMARKS 18 // 19 // FIXME: -Rpass should either imply -Rpass=.* or should be rejected. 20 // RUN: %clang_cc1 %s -Rpass -emit-llvm -o - 2>/dev/null | FileCheck %s --check-prefix=CHECK-NO-REMARKS 21 22 // CHECK-REMARKS: remark: 23 // CHECK-NO-REMARKS-NOT: remark: 24 25 // -Rpass should produce source location annotations, exclusively (just 26 // like -gmlt). 27 // CHECK: , !dbg ! 28 // CHECK-NOT: DW_TAG_base_type 29 30 // The CU should be marked NoDebug (to prevent writing debug info to 31 // the final output). 32 // CHECK: !llvm.dbg.cu = !{![[CU:.*]]} 33 // CHECK: ![[CU]] = distinct !DICompileUnit({{.*}}emissionKind: NoDebug 34 35 int foo(int x, int y) __attribute__((always_inline)); 36 int foo(int x, int y) { return x + y; } 37 38 float foz(int x, int y) __attribute__((noinline)); 39 float foz(int x, int y) { return x * y; } 40 41 // The negative diagnostics are emitted twice because the inliner runs 42 // twice. 43 // 44 int bar(int j) { 45 // expected-remark@+6 {{foz should never be inlined (cost=never)}} 46 // expected-remark@+5 {{foz will not be inlined into bar}} 47 // expected-remark@+4 {{foz should never be inlined}} 48 // expected-remark@+3 {{foz will not be inlined into bar}} 49 // expected-remark@+2 {{foo should always be inlined}} 50 // expected-remark@+1 {{foo inlined into bar}} 51 return foo(j, j - 2) * foz(j - 2, j); 52 } 53
