Print remarks from WholeProgramDevirt pass for each call site.
Summary:
It's useful to have some visibility about which call sites are devirtualized,
especially for debug purposes. Another use case is a regression test on the
application side (like, Chromium).
Reviewers: pcc
Differential Revision: http://reviews.llvm.org/D22252
llvm-svn: 275145
diff --git a/llvm/test/Transforms/WholeProgramDevirt/devirt-single-impl-check.ll b/llvm/test/Transforms/WholeProgramDevirt/devirt-single-impl-check.ll
index 7c52f26..e5e64ab0 100644
--- a/llvm/test/Transforms/WholeProgramDevirt/devirt-single-impl-check.ll
+++ b/llvm/test/Transforms/WholeProgramDevirt/devirt-single-impl-check.ll
@@ -1,8 +1,11 @@
-; RUN: opt -S -wholeprogramdevirt %s | FileCheck %s
+; RUN: opt -S -wholeprogramdevirt -pass-remarks=wholeprogramdevirt %s 2>&1 | FileCheck %s
target datalayout = "e-p:64:64"
target triple = "x86_64-unknown-linux-gnu"
+; CHECK: remark: <unknown>:0:0: devirtualized call
+; CHECK-NOT: devirtualized call
+
@vt1 = constant [1 x i8*] [i8* bitcast (void (i8*)* @vf to i8*)], !type !0
@vt2 = constant [1 x i8*] [i8* bitcast (void (i8*)* @vf to i8*)], !type !0