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author | Adam Nemet <anemet@apple.com> | 2016-12-02 17:53:56 +0000 |
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committer | Adam Nemet <anemet@apple.com> | 2016-12-02 17:53:56 +0000 |
commit | 55f24b0567d9b94609347c635189b730edbe1da8 (patch) | |
tree | 88a5a7d11615dc34083c14c32afdb00437959348 /test/LTO | |
parent | 371623998c639ab02dec63be05335c979a7f830c (diff) |
[LTOs] Allow generation of hotness information
The flag is passed by the clang driver.
Differential Revision: https://reviews.llvm.org/D27331
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@288519 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/LTO')
-rw-r--r-- | test/LTO/X86/diagnostic-handler-remarks-with-hotness.ll | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/test/LTO/X86/diagnostic-handler-remarks-with-hotness.ll b/test/LTO/X86/diagnostic-handler-remarks-with-hotness.ll new file mode 100644 index 00000000000..8a7f4c81b9e --- /dev/null +++ b/test/LTO/X86/diagnostic-handler-remarks-with-hotness.ll @@ -0,0 +1,77 @@ +; Check that the hotness attribute is included in the optimization record file +; with -lto-pass-remarks-with-hotness. + +; RUN: llvm-as < %s >%t.bc +; RUN: llvm-lto -lto-pass-remarks-output=%t.yaml \ +; RUN: -lto-pass-remarks-with-hotness \ +; RUN: -exported-symbol _func2 \ +; RUN: -exported-symbol _main -o %t.o %t.bc +; RUN: cat %t.yaml | FileCheck -check-prefix=YAML %s + +; YAML: --- !Passed +; YAML-NEXT: Pass: inline +; YAML-NEXT: Name: Inlined +; YAML-NEXT: Function: main +; YAML-NEXT: Hotness: 300 +; YAML-NEXT: Args: +; YAML-NEXT: - Callee: foo +; YAML-NEXT: - String: ' inlined into ' +; YAML-NEXT: - Caller: main +; YAML-NEXT: ... + +target triple = "x86_64-apple-darwin" + +declare i32 @bar() + +define i32 @foo() { + %a = call i32 @bar() + ret i32 %a +} + +define i32 @main() !prof !0 { + %i = call i32 @foo() + ret i32 %i +} + +define i32 @func2(i32* %out, i32* %out2, i32* %A, i32* %B, i32* %C, i32* %D, i32* %E, i32* %F) { +entry: + br label %for.body + +for.body: ; preds = %for.body, %entry + %i.037 = phi i64 [ 0, %entry ], [ %inc, %for.body ] + %arrayidx = getelementptr inbounds i32, i32* %A, i64 %i.037 + %0 = load i32, i32* %arrayidx, align 4 + %arrayidx1 = getelementptr inbounds i32, i32* %B, i64 %i.037 + %1 = load i32, i32* %arrayidx1, align 4 + %add = add nsw i32 %1, %0 + %arrayidx2 = getelementptr inbounds i32, i32* %C, i64 %i.037 + %2 = load i32, i32* %arrayidx2, align 4 + %add3 = add nsw i32 %add, %2 + %arrayidx4 = getelementptr inbounds i32, i32* %E, i64 %i.037 + %3 = load i32, i32* %arrayidx4, align 4 + %add5 = add nsw i32 %add3, %3 + %arrayidx6 = getelementptr inbounds i32, i32* %F, i64 %i.037 + %4 = load i32, i32* %arrayidx6, align 4 + %add7 = add nsw i32 %add5, %4 + %arrayidx8 = getelementptr inbounds i32, i32* %out, i64 %i.037 + store i32 %add7, i32* %arrayidx8, align 4 + %5 = load i32, i32* %arrayidx, align 4 + %6 = load i32, i32* %arrayidx1, align 4 + %add11 = add nsw i32 %6, %5 + %7 = load i32, i32* %arrayidx2, align 4 + %add13 = add nsw i32 %add11, %7 + %8 = load i32, i32* %arrayidx4, align 4 + %add15 = add nsw i32 %add13, %8 + %9 = load i32, i32* %arrayidx6, align 4 + %add17 = add nsw i32 %add15, %9 + %arrayidx18 = getelementptr inbounds i32, i32* %out2, i64 %i.037 + store i32 %add17, i32* %arrayidx18, align 4 + %inc = add i64 %i.037, 1 + %exitcond = icmp eq i64 %inc, 256 + br i1 %exitcond, label %for.end, label %for.body + +for.end: ; preds = %for.body + ret i32 undef +} + +!0 = !{!"function_entry_count", i64 300} |