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63 lines
3.9 KiB
63 lines
3.9 KiB
4 months ago
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// This file tests the -Rpass family of flags (-Rpass, -Rpass-missed
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// and -Rpass-analysis) with the inliner. The test is designed to
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// always trigger the inliner, so it should be independent of the
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// optimization level (under the legacy PM). The inliner is not added to the new
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// PM pipeline unless optimizations are present.
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// The inliner for the new PM does not seem to be enabled at O0, but we still
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// get the same remarks with at least O1. The remarks are also slightly
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// different and located in another test file.
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// RUN: %clang_cc1 %s -Rpass=inline -Rpass-analysis=inline -Rpass-missed=inline -O0 -fno-experimental-new-pass-manager -emit-llvm-only -verify -mllvm -mandatory-inlining-first=0
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// RUN: %clang_cc1 %s -Rpass=inline -Rpass-analysis=inline -Rpass-missed=inline -O0 -fno-experimental-new-pass-manager -emit-llvm-only -debug-info-kind=line-tables-only -verify -mllvm -mandatory-inlining-first=0
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// RUN: %clang_cc1 %s -Rpass=inline -emit-llvm -o - -mllvm -mandatory-inlining-first=0 2>/dev/null | FileCheck %s
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//
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// Check that we can override -Rpass= with -Rno-pass.
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// RUN: %clang_cc1 %s -Rpass=inline -fno-experimental-new-pass-manager -emit-llvm -o - -mllvm -mandatory-inlining-first=0 2>&1 | FileCheck %s --check-prefix=CHECK-REMARKS
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// RUN: %clang_cc1 %s -Rpass=inline -Rno-pass -emit-llvm -o - -mllvm -mandatory-inlining-first=0 2>&1 | FileCheck %s --check-prefix=CHECK-NO-REMARKS
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// RUN: %clang_cc1 %s -Rpass=inline -Rno-everything -emit-llvm -o - -mllvm -mandatory-inlining-first=0 2>&1 | FileCheck %s --check-prefix=CHECK-NO-REMARKS
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// RUN: %clang_cc1 %s -Rpass=inline -fno-experimental-new-pass-manager -Rno-everything -Reverything -emit-llvm -o - -mllvm -mandatory-inlining-first=0 2>&1 | FileCheck %s --check-prefix=CHECK-REMARKS
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//
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// The inliner for the new PM does not seem to be enabled at O0, but we still
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// get the same remarks with at least O1.
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// RUN: %clang_cc1 %s -Rpass=inline -fexperimental-new-pass-manager -O1 -emit-llvm -o - -mllvm -mandatory-inlining-first=0 2>&1 | FileCheck %s --check-prefix=CHECK-REMARKS
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// RUN: %clang_cc1 %s -Rpass=inline -fexperimental-new-pass-manager -O1 -Rno-everything -Reverything -emit-llvm -o - -mllvm -mandatory-inlining-first=0 2>&1 | FileCheck %s --check-prefix=CHECK-REMARKS
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//
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// Check that -w doesn't disable remarks.
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// RUN: %clang_cc1 %s -Rpass=inline -fno-experimental-new-pass-manager -w -emit-llvm -o - -mllvm -mandatory-inlining-first=0 2>&1 | FileCheck %s --check-prefix=CHECK-REMARKS
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// RUN: %clang_cc1 %s -Rpass=inline -fexperimental-new-pass-manager -O1 -w -emit-llvm -o - -mllvm -mandatory-inlining-first=0 2>&1 | FileCheck %s --check-prefix=CHECK-REMARKS
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//
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// FIXME: -Reverything should imply -Rpass=.*.
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// RUN: %clang_cc1 %s -Reverything -emit-llvm -o - -mllvm -mandatory-inlining-first=0 2>/dev/null | FileCheck %s --check-prefix=CHECK-NO-REMARKS
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//
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// FIXME: -Rpass should either imply -Rpass=.* or should be rejected.
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// RUN: %clang_cc1 %s -Rpass -emit-llvm -o - -mllvm -mandatory-inlining-first=0 2>/dev/null | FileCheck %s --check-prefix=CHECK-NO-REMARKS
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// CHECK-REMARKS: remark:
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// CHECK-NO-REMARKS-NOT: remark:
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// -Rpass should produce source location annotations, exclusively (just
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// like -gmlt).
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// CHECK: , !dbg !
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// CHECK-NOT: DW_TAG_base_type
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// The CU should be marked NoDebug (to prevent writing debug info to
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// the final output).
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// CHECK: !llvm.dbg.cu = !{![[CU:.*]]}
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// CHECK: ![[CU]] = distinct !DICompileUnit({{.*}}emissionKind: NoDebug
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int foo(int x, int y) __attribute__((always_inline));
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int foo(int x, int y) { return x + y; }
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float foz(int x, int y) __attribute__((noinline));
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float foz(int x, int y) { return x * y; }
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// The negative diagnostics are emitted twice because the inliner runs
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// twice.
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//
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int bar(int j) {
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// expected-remark@+3 {{foz not inlined into bar because it should never be inlined (cost=never)}}
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// expected-remark@+2 {{foz not inlined into bar because it should never be inlined (cost=never)}}
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// expected-remark@+1 {{foo inlined into bar}}
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return foo(j, j - 2) * foz(j - 2, j);
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}
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