[PATCH] D34133: Cold attribute on function decls are lost. Fix the problem
David Li via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Tue Jun 13 14:14:48 PDT 2017
This revision was automatically updated to reflect the committed changes.
Closed by commit rL305325: Preserve cold attribute for function decls (authored by davidxl).
Changed prior to commit:
https://reviews.llvm.org/D34133?vs=102358&id=102409#toc
Repository:
rL LLVM
https://reviews.llvm.org/D34133
Files:
cfe/trunk/lib/CodeGen/CGCall.cpp
cfe/trunk/test/CodeGen/attributes.c
Index: cfe/trunk/lib/CodeGen/CGCall.cpp
===================================================================
--- cfe/trunk/lib/CodeGen/CGCall.cpp
+++ cfe/trunk/lib/CodeGen/CGCall.cpp
@@ -1795,6 +1795,8 @@
FuncAttrs.addAttribute(llvm::Attribute::NoUnwind);
if (TargetDecl->hasAttr<NoReturnAttr>())
FuncAttrs.addAttribute(llvm::Attribute::NoReturn);
+ if (TargetDecl->hasAttr<ColdAttr>())
+ FuncAttrs.addAttribute(llvm::Attribute::Cold);
if (TargetDecl->hasAttr<NoDuplicateAttr>())
FuncAttrs.addAttribute(llvm::Attribute::NoDuplicate);
if (TargetDecl->hasAttr<ConvergentAttr>())
Index: cfe/trunk/test/CodeGen/attributes.c
===================================================================
--- cfe/trunk/test/CodeGen/attributes.c
+++ cfe/trunk/test/CodeGen/attributes.c
@@ -56,6 +56,13 @@
void t7() __attribute__((noreturn, nothrow));
void t7() { while (1) {} }
+// CHECK: define void @t72() [[COLDDEF:#[0-9]+]] {
+void t71(void) __attribute__((cold));
+void t72() __attribute__((cold));
+void t72() { t71(); }
+// CHECK: call void @t71() [[COLDSITE:#[0-9]+]]
+// CHECK: declare void @t71() [[COLDDECL:#[0-9]+]]
+
// CHECK: define void @t10() [[NUW]] section "SECT" {
void t10(void) __attribute__((section("SECT")));
void t10(void) {}
@@ -92,3 +99,6 @@
// CHECK: attributes [[NUW]] = { noinline nounwind{{.*}} }
// CHECK: attributes [[NR]] = { noinline noreturn nounwind{{.*}} }
+// CHECK: attributes [[COLDDEF]] = { cold {{.*}}}
+// CHECK: attributes [[COLDDECL]] = { cold {{.*}}}
+// CHECK: attributes [[COLDSITE]] = { cold {{.*}}}
-------------- next part --------------
A non-text attachment was scrubbed...
Name: D34133.102409.patch
Type: text/x-patch
Size: 1586 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/cfe-commits/attachments/20170613/bdfc97c7/attachment.bin>
More information about the cfe-commits
mailing list