diff options
| author | Justin Bogner <mail@justinbogner.com> | 2015-03-16 23:52:03 +0000 |
|---|---|---|
| committer | Justin Bogner <mail@justinbogner.com> | 2015-03-16 23:52:03 +0000 |
| commit | 3faa76bfab41067743d92dbf5648f02180d1fd1b (patch) | |
| tree | c5e3b8d3c1d53923c07565319690cf3127b83b7f /llvm/test/Transforms | |
| parent | 933f853030ea34f2c718afea260572de2c4c9a31 (diff) | |
| download | bcm5719-llvm-3faa76bfab41067743d92dbf5648f02180d1fd1b.tar.gz bcm5719-llvm-3faa76bfab41067743d92dbf5648f02180d1fd1b.zip | |
GCOV: Make the exit block placement from r223193 optional
By default we want our gcov emission to stay 4.2 compatible, which
means we need to continue emit the exit block last by default. We add
an option to emit it before the body for users that need it.
llvm-svn: 232438
Diffstat (limited to 'llvm/test/Transforms')
| -rw-r--r-- | llvm/test/Transforms/GCOVProfiling/return-block.ll | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/llvm/test/Transforms/GCOVProfiling/return-block.ll b/llvm/test/Transforms/GCOVProfiling/return-block.ll index 8954157f548..0fafc559f5d 100644 --- a/llvm/test/Transforms/GCOVProfiling/return-block.ll +++ b/llvm/test/Transforms/GCOVProfiling/return-block.ll @@ -1,8 +1,14 @@ ; Inject metadata to set the .gcno file location ; RUN: echo '!19 = !{!"%/T/return-block.ll", !0}' > %t1 ; RUN: cat %s %t1 > %t2 + +; By default, the return block is last. ; RUN: opt -insert-gcov-profiling -disable-output %t2 -; RUN: llvm-cov gcov -n -dump %T/return-block.gcno 2>&1 | FileCheck %s +; RUN: llvm-cov gcov -n -dump %T/return-block.gcno 2>&1 | FileCheck -check-prefix=CHECK -check-prefix=RETURN-LAST %s + +; But we can optionally emit it second, to match newer gcc versions. +; RUN: opt -insert-gcov-profiling -gcov-exit-block-before-body -disable-output %t2 +; RUN: llvm-cov gcov -n -dump %T/return-block.gcno 2>&1 | FileCheck -check-prefix=CHECK -check-prefix=RETURN-SECOND %s target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-unknown-linux-gnu" @@ -58,9 +64,12 @@ attributes #2 = { nounwind } !17 = distinct !MDLexicalBlock(line: 7, column: 7, file: !1, scope: !4) !18 = !MDLocation(line: 9, column: 1, scope: !4) -; There should be no destination edges for block 1. -; CHECK: Block : 0 Counter : 0 -; CHECK-NEXT: Destination Edges : 2 (0), -; CHECK-NEXT: Block : 1 Counter : 0 -; CHECK-NEXT: Source Edges : 4 (0), -; CHECK-NEXT: Block : 2 Counter : 0 +; There should be no destination edges for the exit block. +; CHECK: Block : 1 Counter : 0 +; RETURN-LAST: Destination Edges +; RETURN-SECOND-NOT: Destination Edges +; CHECK: Block : 2 Counter : 0 +; CHECK: Block : 4 Counter : 0 +; RETURN-LAST-NOT: Destination Edges +; RETURN-SECOND: Destination Edges +; CHECK-NOT: Block : |
