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