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356ba78c03
Summary: For SamplePGO, the profile may contain cross-module inline stacks. As we need to make sure the profile annotation happens when all the hot inline stacks are expanded, we need to pass this info to the module importer so that it can import proper functions if necessary. This patch implemented this feature by emitting cross-module targets as part of function entry metadata. In the module-summary phase, the metadata is used to build call edges that points to functions need to be imported. Reviewers: mehdi_amini, tejohnson Reviewed By: tejohnson Subscribers: davidxl, llvm-commits Differential Revision: https://reviews.llvm.org/D30053 llvm-svn: 296498
16 lines
346 B
LLVM
16 lines
346 B
LLVM
; RUN: not llvm-as %s -disable-output 2>&1 | FileCheck %s
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; CHECK: function declaration may not have a !prof attachment
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declare !prof !0 void @f1()
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define void @f2() !prof !0 {
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unreachable
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}
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; CHECK: function must have a single !prof attachment
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define void @f3() !prof !0 !prof !0 {
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unreachable
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}
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!0 = !{!"function_entry_count", i64 100}
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