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));
foo(int x,int y)36 int foo(int x, int y) { return x + y; }
37
38 float foz(int x, int y) __attribute__((noinline));
foz(int x,int y)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 //
bar(int j)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