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Pull in r201718 from upstream llvm trunk (by Roman Divacky):
Expand 64bit {SHL,SHR,SRA}_PARTS on sparcv9.
Introduced here: http://svnweb.freebsd.org/changeset/base/262265
Index: test/CodeGen/SPARC/parts.ll
===================================================================
--- test/CodeGen/SPARC/parts.ll
+++ test/CodeGen/SPARC/parts.ll
@@ -0,0 +1,14 @@
+; RUN: llc < %s -march=sparcv9 | FileCheck %s
+
+; CHECK-LABEL: test
+; CHECK: srl %i1, 0, %o2
+; CHECK-NEXT: or %g0, %i2, %o0
+; CHECK-NEXT: call __ashlti3
+; CHECK-NEXT: or %g0, %i3, %o1
+; CHECK-NEXT: or %g0, %o0, %i0
+
+define i128 @test(i128 %a, i128 %b) {
+entry:
+ %tmp = shl i128 %b, %a
+ ret i128 %tmp
+}
Index: lib/Target/Sparc/SparcISelLowering.cpp
===================================================================
--- lib/Target/Sparc/SparcISelLowering.cpp
+++ lib/Target/Sparc/SparcISelLowering.cpp
@@ -1554,6 +1554,10 @@ SparcTargetLowering::SparcTargetLowering(TargetMac
setOperationAction(ISD::UMULO, MVT::i64, Custom);
setOperationAction(ISD::SMULO, MVT::i64, Custom);
+
+ setOperationAction(ISD::SHL_PARTS, MVT::i64, Expand);
+ setOperationAction(ISD::SRA_PARTS, MVT::i64, Expand);
+ setOperationAction(ISD::SRL_PARTS, MVT::i64, Expand);
}
// VASTART needs to be custom lowered to use the VarArgsFrameIndex.
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