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7dcd99ba17
Summary: This patch improves Inliner to provide causes/reasons for negative inline decisions. 1. It adds one new message field to InlineCost to report causes for Always and Never instances. All Never and Always instantiations must provide a simple message. 2. Several functions that used to return the inlining results as boolean are changed to return InlineResult which carries the cause for negative decision. 3. Changed remark priniting and debug output messages to provide the additional messages and related inline cost. 4. Adjusted tests for changed printing. Patch by: yrouban (Yevgeny Rouban) Reviewers: craig.topper, sammccall, sgraenitz, NutshellySima, shchenz, chandlerc, apilipenko, javed.absar, tejohnson, dblaikie, sanjoy, eraman, xbolva00 Reviewed By: tejohnson, xbolva00 Subscribers: xbolva00, llvm-commits, arsenm, mehdi_amini, eraman, haicheng, steven_wu, dexonsmith Differential Revision: https://reviews.llvm.org/D49412 llvm-svn: 338969
69 lines
2.2 KiB
LLVM
69 lines
2.2 KiB
LLVM
; RUN: opt -module-summary %s -o %t1.bc
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; RUN: opt -module-summary %p/Inputs/diagnostic-handler-remarks.ll -o %t2.bc
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; Check that the hotness attribute is included in the optimization record file
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; with -lto-pass-remarks-with-hotness.
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; RUN: llvm-lto -thinlto-action=run \
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; RUN: -lto-pass-remarks-output=%t.yaml \
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; RUN: -lto-pass-remarks-with-hotness \
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; RUN: -exported-symbol _func2 \
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; RUN: -exported-symbol _main %t1.bc %t2.bc 2>&1 | \
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; RUN: FileCheck %s -allow-empty
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; CHECK-NOT: remark:
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; CHECK-NOT: llvm-lto:
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; Verify that bar is imported and inlined into foo
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; RUN: cat %t.yaml.thin.0.yaml | FileCheck %s -check-prefix=YAML1
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; YAML1: --- !Passed
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; YAML1-NEXT: Pass: inline
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; YAML1-NEXT: Name: Inlined
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; YAML1-NEXT: Function: main
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; YAML1-NEXT: Hotness: 50
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; YAML1-NEXT: Args:
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; YAML1-NEXT: - Callee: foo
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; YAML1-NEXT: - String: ' inlined into '
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; YAML1-NEXT: - Caller: main
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; YAML1-NEXT: - String: ' with '
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; YAML1-NEXT: - String: '(cost='
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; YAML1-NEXT: - Cost: '-30'
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; YAML1-NEXT: - String: ', threshold='
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; YAML1-NEXT: - Threshold: '337'
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; YAML1-NEXT: - String: ')'
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; YAML1-NEXT: ...
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; Verify that bar is imported and inlined into foo
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; RUN: cat %t.yaml.thin.1.yaml | FileCheck %s -check-prefix=YAML2
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; YAML2: --- !Passed
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; YAML2-NEXT: Pass: inline
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; YAML2-NEXT: Name: Inlined
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; YAML2-NEXT: Function: foo
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; YAML2-NEXT: Args:
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; YAML2-NEXT: - Callee: bar
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; YAML2-NEXT: - String: ' inlined into '
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; YAML2-NEXT: - Caller: foo
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; YAML2-NEXT: - String: ' with '
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; YAML2-NEXT: - String: '(cost='
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; YAML2-NEXT: - Cost: '-30'
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; YAML2-NEXT: - String: ', threshold='
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; YAML2-NEXT: - Threshold: '337'
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; YAML2-NEXT: - String: ')'
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; YAML2-NEXT: ...
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.11.0"
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define i32 @bar() {
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ret i32 42
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}
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declare i32 @foo()
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define i32 @main() !prof !0 {
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%i = call i32 @foo()
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ret i32 %i
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}
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!0 = !{!"function_entry_count", i64 50}
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