Remove a call to TargetMachine::getSubtarget from the inline

asm support in the asm printer. If we can get a subtarget from
the machine function then we should do so, otherwise we can
go ahead and create a default one since we're at the module
level.

llvm-svn: 229916

1 files changed, 11 insertions, 1 deletions

diff --git a/llvm/lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp b/llvm/lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp
index 4dd41ca678e..a8b00561fe7 100644
--- a/llvm/lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp
@@ -92,7 +92,17 @@ void AsmPrinter::EmitInlineAsm(StringRef Str, const MDNode *LocMDNode,
       !OutStreamer.isIntegratedAssemblerRequired()) {
     emitInlineAsmStart();
     OutStreamer.EmitRawText(Str);
-    emitInlineAsmEnd(TM.getSubtarget<MCSubtargetInfo>(), nullptr);
+    // If we have a machine function then grab the MCSubtarget off of that,
+    // otherwise we're at the module level and want to construct one from
+    // the default CPU and target triple.
+    if (MF) {
+      emitInlineAsmEnd(MF->getSubtarget<MCSubtargetInfo>(), nullptr);
+    } else {
+      std::unique_ptr<MCSubtargetInfo> STI(TM.getTarget().createMCSubtargetInfo(
+          TM.getTargetTriple(), TM.getTargetCPU(),
+          TM.getTargetFeatureString()));
+      emitInlineAsmEnd(*STI, nullptr);
+    }
     return;
   }