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-rw-r--r--llvm/lib/Target/Mips/Mips64InstrInfo.td8
1 files changed, 0 insertions, 8 deletions
diff --git a/llvm/lib/Target/Mips/Mips64InstrInfo.td b/llvm/lib/Target/Mips/Mips64InstrInfo.td
index c37cf95cadc..f917ecad4a5 100644
--- a/llvm/lib/Target/Mips/Mips64InstrInfo.td
+++ b/llvm/lib/Target/Mips/Mips64InstrInfo.td
@@ -500,14 +500,6 @@ def : MipsPat<(trunc (assertzext GPR64:$src)),
def : MipsPat<(i32 (trunc GPR64:$src)),
(SLL (EXTRACT_SUBREG GPR64:$src, sub_32), 0)>;
-// Bypass trunc nodes for bitwise ops.
-def : MipsPat<(i32 (trunc (and GPR64:$lhs, GPR64:$rhs))),
- (EXTRACT_SUBREG (AND64 GPR64:$lhs, GPR64:$rhs), sub_32)>;
-def : MipsPat<(i32 (trunc (or GPR64:$lhs, GPR64:$rhs))),
- (EXTRACT_SUBREG (OR64 GPR64:$lhs, GPR64:$rhs), sub_32)>;
-def : MipsPat<(i32 (trunc (xor GPR64:$lhs, GPR64:$rhs))),
- (EXTRACT_SUBREG (XOR64 GPR64:$lhs, GPR64:$rhs), sub_32)>;
-
// variable shift instructions patterns
def : MipsPat<(shl GPR64:$rt, (i32 (trunc GPR64:$rs))),
(DSLLV GPR64:$rt, (EXTRACT_SUBREG GPR64:$rs, sub_32))>;
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