i128 shift libcalls are not available on x86.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68133 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index f0a9484b4b6812ae899c81b17a37b5da4bce123e..5fd981f07dcb797864cd6ad4789086950c2cd1cb 100644 (file)
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -816,6 +816,13 @@ X86TargetLowering::X86TargetLowering(X86TargetMachine &TM)
   setOperationAction(ISD::UMULO, MVT::i32, Custom);
   setOperationAction(ISD::UMULO, MVT::i64, Custom);
 
+  if (!Subtarget->is64Bit()) {
+    // These libcalls are not available in 32-bit.
+    setLibcallName(RTLIB::SHL_I128, 0);
+    setLibcallName(RTLIB::SRL_I128, 0);
+    setLibcallName(RTLIB::SRA_I128, 0);
+  }
+
   // We have target-specific dag combine patterns for the following nodes:
   setTargetDAGCombine(ISD::VECTOR_SHUFFLE);
   setTargetDAGCombine(ISD::BUILD_VECTOR);