If ISD::ANY_EXTEND fails, try ISD::ZERO_EXTEND and ISD::SIGN_EXTEND before giving...

X86-64 in fast isel.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56088 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86FastISel.cpp b/lib/Target/X86/X86FastISel.cpp
index 948751139ac18ffae442f0c11ae70036069bc6dd..981f5a7d7ee2f7d8ed52772b2cab77911e57fbcc 100644 (file)
--- a/lib/Target/X86/X86FastISel.cpp
+++ b/lib/Target/X86/X86FastISel.cpp
@@ -857,6 +857,13 @@ bool X86FastISel::X86SelectCall(Instruction *I) {
     case CCValAssign::AExt: {
       bool Emitted = X86FastEmitExtend(ISD::ANY_EXTEND, VA.getLocVT(),
                                        Arg, ArgVT, Arg);
+      if (!Emitted)
+        Emitted = X86FastEmitExtend(ISD::ZERO_EXTEND, VA.getLocVT(),
+                                         Arg, ArgVT, Arg);
+      if (!Emitted)
+        Emitted = X86FastEmitExtend(ISD::SIGN_EXTEND, VA.getLocVT(),
+                                    Arg, ArgVT, Arg);
+      
       assert(Emitted && "Failed to emit a aext!");
       ArgVT = VA.getLocVT();
       break;