[llvm] 6c86d6e - [X86] Remove some else branches after checking for !useSoftFloat() that set operations to Expand.

[Craig Topper via llvm-commits]

Author: Craig Topper
Date: 2019-11-11T16:32:19-08:00
New Revision: 6c86d6efaf129c42d37121f1e7e9a7adffb54c1a

URL: https://github.com/llvm/llvm-project/commit/6c86d6efaf129c42d37121f1e7e9a7adffb54c1a
DIFF: https://github.com/llvm/llvm-project/commit/6c86d6efaf129c42d37121f1e7e9a7adffb54c1a.diff

LOG: [X86] Remove some else branches after checking for !useSoftFloat() that set operations to Expand.

If we're using soft floats, then these operations shoudl be
softened during type legalization. They'll never get to
LegalizeVectorOps or LegalizeDAG so they don't need to be
Expanded there.

Added: 
    

Modified: 
    llvm/lib/Target/X86/X86ISelLowering.cpp

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index d079b0695b31..f06a5cbbd915 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -236,8 +236,6 @@ X86TargetLowering::X86TargetLowering(const X86TargetMachine &TM,
     // We have an algorithm for SSE2, and we turn this into a 64-bit
     // FILD or VCVTUSI2SS/SD for other targets.
     setOperationAction(ISD::UINT_TO_FP     , MVT::i32  , Custom);
-  } else {
-    setOperationAction(ISD::UINT_TO_FP     , MVT::i32  , Expand);
   }
 
   // Promote i1/i8 SINT_TO_FP to larger SINT_TO_FP's, as X86 doesn't have
@@ -255,9 +253,6 @@ X86TargetLowering::X86TargetLowering(const X86TargetMachine &TM,
       setOperationAction(ISD::SINT_TO_FP     , MVT::i16  , Custom);
       setOperationAction(ISD::SINT_TO_FP     , MVT::i32  , Custom);
     }
-  } else {
-    setOperationAction(ISD::SINT_TO_FP     , MVT::i16  , Promote);
-    setOperationAction(ISD::SINT_TO_FP     , MVT::i32  , Expand);
   }
 
   // Promote i1/i8 FP_TO_SINT to larger FP_TO_SINTS's, as X86 doesn't have
@@ -273,10 +268,6 @@ X86TargetLowering::X86TargetLowering(const X86TargetMachine &TM,
 
     setOperationAction(ISD::FP_TO_SINT     , MVT::i16  , Custom);
     setOperationAction(ISD::FP_TO_SINT     , MVT::i32  , Custom);
-  } else {
-    setOperationAction(ISD::FP_TO_SINT     , MVT::i16  , Promote);
-    setOperationAction(ISD::FP_TO_SINT     , MVT::i32  , Expand);
-    setOperationAction(ISD::FP_TO_SINT     , MVT::i64  , Expand);
   }
 
   // Handle FP_TO_UINT by promoting the destination to a larger signed