[llvm] r292540 - AArch64: fall back to DAG ISel for inline assembly.

[Tim Northover via llvm-commits]

Author: tnorthover
Date: Thu Jan 19 17:59:35 2017
New Revision: 292540

URL: http://llvm.org/viewvc/llvm-project?rev=292540&view=rev
Log:
AArch64: fall back to DAG ISel for inline assembly.

We can't currently handle "calls" to inlineasm strings so it's better to let
the DAG handle it than generate rubbish.

Added:
    llvm/trunk/test/CodeGen/AArch64/GlobalISel/inline-asm.ll
Modified:
    llvm/trunk/lib/CodeGen/GlobalISel/IRTranslator.cpp

Modified: llvm/trunk/lib/CodeGen/GlobalISel/IRTranslator.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/GlobalISel/IRTranslator.cpp?rev=292540&r1=292539&r2=292540&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/GlobalISel/IRTranslator.cpp (original)
+++ llvm/trunk/lib/CodeGen/GlobalISel/IRTranslator.cpp Thu Jan 19 17:59:35 2017
@@ -581,6 +581,9 @@ bool IRTranslator::translateCall(const U
   auto TII = MF->getTarget().getIntrinsicInfo();
   const Function *F = CI.getCalledFunction();
 
+  if (CI.isInlineAsm())
+    return false;
+
   if (!F || !F->isIntrinsic()) {
     unsigned Res = CI.getType()->isVoidTy() ? 0 : getOrCreateVReg(CI);
     SmallVector<unsigned, 8> Args;

Added: llvm/trunk/test/CodeGen/AArch64/GlobalISel/inline-asm.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AArch64/GlobalISel/inline-asm.ll?rev=292540&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/AArch64/GlobalISel/inline-asm.ll (added)
+++ llvm/trunk/test/CodeGen/AArch64/GlobalISel/inline-asm.ll Thu Jan 19 17:59:35 2017
@@ -0,0 +1,10 @@
+; RUN: llc -mtriple=aarch64 -global-isel -global-isel-abort=2 %s -o - | FileCheck %s
+
+; CHECK-LABEL: test_asm:
+; CHECK: {{APP|InlineAsm Start}}
+; CHECK: mov x0, x0
+; CHECK: {{NO_APP|InlineAsm End}}
+define void @test_asm() {
+  call void asm sideeffect "mov x0, x0", ""()
+  ret void
+}