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e9e07465ef
Added ability to estimate the entry count of the extracted function and the branch probabilities of the exit branches. Patch by River Riddle! Differential Revision: https://reviews.llvm.org/D22744 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@277411 91177308-0d34-0410-b5e6-96231b3b80d8
34 lines
1005 B
LLVM
34 lines
1005 B
LLVM
; RUN: opt < %s -partial-inliner -S | FileCheck %s
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; This test checks to make sure that the CodeExtractor
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; properly sets the entry count for the function that is
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; extracted based on the root block being extracted and also
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; takes into consideration if the block has edges coming from
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; a block that is also being extracted.
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define i32 @inlinedFunc(i1 %cond) !prof !1 {
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entry:
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br i1 %cond, label %if.then, label %return, !prof !2
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if.then:
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br i1 %cond, label %if.then, label %return, !prof !3
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return: ; preds = %entry
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ret i32 0
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}
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define internal i32 @dummyCaller(i1 %cond) !prof !1 {
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entry:
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%val = call i32 @inlinedFunc(i1 %cond)
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ret i32 %val
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}
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; CHECK: @inlinedFunc.1_if.then(i1 %cond) !prof [[COUNT1:![0-9]+]]
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!llvm.module.flags = !{!0}
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; CHECK: [[COUNT1]] = !{!"function_entry_count", i64 250}
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!0 = !{i32 1, !"MaxFunctionCount", i32 1000}
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!1 = !{!"function_entry_count", i64 1000}
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!2 = !{!"branch_weights", i32 250, i32 750}
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!3 = !{!"branch_weights", i32 125, i32 125}
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