[PGO] Add test case to ensure covmap section is not allocatable.

david-xl · david-xl · commit 23682e9cab92 · 2016-02-26T03:05:10.000Z
Differential Revision: http://reviews.llvm.org/D17324 llvm-svn: 261959
diff --git a/llvm/test/Instrumentation/InstrProfiling/X86/alloc.ll b/llvm/test/Instrumentation/InstrProfiling/X86/alloc.ll
@@ -0,0 +1,6 @@
+;; Ensure that SHF_ALLOC section flag is not set for the __llvm_covmap section on Linux.
+; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu | FileCheck %s
+
+@__llvm_coverage_mapping = internal constant i32 0, section "__llvm_covmap"
+
+; CHECK-DAG: .section	__llvm_covmap,""
diff --git a/llvm/test/Instrumentation/InstrProfiling/X86/lit.local.cfg b/llvm/test/Instrumentation/InstrProfiling/X86/lit.local.cfg
@@ -0,0 +1,3 @@
+if not 'X86' in config.root.targets:
+    config.unsupported = True
+

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+if not 'X86' in config.root.targets:`
	`2`	`+ config.unsupported = True`
	`3`	`+`