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-rw-r--r--llvm/lib/Target/X86/X86ISelLowering.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index 14362c6392e..2cce3669719 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -37638,7 +37638,7 @@ static SDValue combineSubToSubus(SDNode *N, SelectionDAG &DAG,
// PSUBUS is supported, starting from SSE2, but truncation for v8i32
// is only worth it with SSSE3 (PSHUFB).
if (!(Subtarget.hasSSE2() && (VT == MVT::v16i8 || VT == MVT::v8i16)) &&
- !(Subtarget.hasSSSE3() && (VT == MVT::v8i32)) &&
+ !(Subtarget.hasSSSE3() && (VT == MVT::v8i32 || VT == MVT::v8i64)) &&
!(Subtarget.hasAVX() && (VT == MVT::v32i8 || VT == MVT::v16i16)) &&
!(Subtarget.useBWIRegs() && (VT == MVT::v64i8 || VT == MVT::v32i16 ||
VT == MVT::v16i32 || VT == MVT::v8i64)))
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