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authorChris Lattner <sabre@nondot.org>2011-02-18 22:34:03 +0000
committerChris Lattner <sabre@nondot.org>2011-02-18 22:34:03 +0000
commit188a7e00e784f78d6b5b250a64ac5c374f0fd3f0 (patch)
tree42cf098b118963de0f04a559cf3c3e0fa609ba4b /tools/opt/opt.cpp
parentc19175c9d8d3c2663b682a7fe34bb22da370d5c1 (diff)
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add a way to disable all builtins, wire it up to opt's -disable-simplifylibcalls flag.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125978 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'tools/opt/opt.cpp')
-rw-r--r--tools/opt/opt.cpp8
1 files changed, 6 insertions, 2 deletions
diff --git a/tools/opt/opt.cpp b/tools/opt/opt.cpp
index 8ccd8e877b..e55b4b3e2a 100644
--- a/tools/opt/opt.cpp
+++ b/tools/opt/opt.cpp
@@ -532,8 +532,12 @@ int main(int argc, char **argv) {
PassManager Passes;
// Add an appropriate TargetLibraryInfo pass for the module's triple.
- if (!M->getTargetTriple().empty())
- Passes.add(new TargetLibraryInfo(Triple(M->getTargetTriple())));
+ TargetLibraryInfo *TLI = new TargetLibraryInfo(Triple(M->getTargetTriple()));
+
+ // The -disable-simplify-libcalls flag actually disables all builtin optzns.
+ if (DisableSimplifyLibCalls)
+ TLI->disableAllFunctions();
+ Passes.add(TLI);
// Add an appropriate TargetData instance for this module.
TargetData *TD = 0;