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-rw-r--r--llvm/lib/Target/Mips/Mips64InstrInfo.td3
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Target/Mips/Mips64InstrInfo.td b/llvm/lib/Target/Mips/Mips64InstrInfo.td
index e0a31c846f3..69c126af8c5 100644
--- a/llvm/lib/Target/Mips/Mips64InstrInfo.td
+++ b/llvm/lib/Target/Mips/Mips64InstrInfo.td
@@ -514,7 +514,8 @@ def : MipsPat<(rotr GPR64:$rt, (i32 (trunc GPR64:$rs))),
(DROTRV GPR64:$rt, (EXTRACT_SUBREG GPR64:$rs, sub_32))>;
// 32-to-64-bit extension
-def : MipsPat<(i64 (anyext GPR32:$src)), (SLL64_32 GPR32:$src)>;
+def : MipsPat<(i64 (anyext GPR32:$src)),
+ (INSERT_SUBREG (i64 (IMPLICIT_DEF)), GPR32:$src, sub_32)>;
def : MipsPat<(i64 (zext GPR32:$src)), (DSRL (DSLL64_32 GPR32:$src), 32)>;
def : MipsPat<(i64 (sext GPR32:$src)), (SLL64_32 GPR32:$src)>;
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