allow opt to take a -mtriple option
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154959 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/opt/opt.cpp b/tools/opt/opt.cpp
index 30da863..a5b0511 100644
--- a/tools/opt/opt.cpp
+++ b/tools/opt/opt.cpp
@@ -114,6 +114,9 @@
OptLevelO3("O3",
cl::desc("Optimization level 3. Similar to llvm-gcc -O3"));
+static cl::opt<std::string>
+TargetTriple("mtriple", cl::desc("Override target triple for module"));
+
static cl::opt<bool>
UnitAtATime("funit-at-a-time",
cl::desc("Enable IPO. This is same as llvm-gcc's -funit-at-a-time"),
@@ -512,6 +515,10 @@
return 1;
}
+ // If we are supposed to override the target triple, do so now.
+ if (!TargetTriple.empty())
+ M->setTargetTriple(Triple::normalize(TargetTriple));
+
// Figure out what stream we are supposed to write to...
OwningPtr<tool_output_file> Out;
if (NoOutput) {