diff options
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/Target/Mips/Mips64InstrInfo.td | 2 | ||||
| -rw-r--r-- | llvm/test/CodeGen/Mips/llvm-ir/select-int.ll | 50 |
2 files changed, 51 insertions, 1 deletions
diff --git a/llvm/lib/Target/Mips/Mips64InstrInfo.td b/llvm/lib/Target/Mips/Mips64InstrInfo.td index 93a10c6cd54..b95cdc86f9e 100644 --- a/llvm/lib/Target/Mips/Mips64InstrInfo.td +++ b/llvm/lib/Target/Mips/Mips64InstrInfo.td @@ -29,7 +29,7 @@ def immSExt10_64 : PatLeaf<(i64 imm), [{ return isInt<10>(N->getSExtValue()); }]>; def immZExt16_64 : PatLeaf<(i64 imm), - [{ return isInt<16>(N->getZExtValue()); }]>; + [{ return isUInt<16>(N->getZExtValue()); }]>; def immZExt5_64 : ImmLeaf<i64, [{ return Imm == (Imm & 0x1f); }]>; diff --git a/llvm/test/CodeGen/Mips/llvm-ir/select-int.ll b/llvm/test/CodeGen/Mips/llvm-ir/select-int.ll index 87f2ca4b8a1..d179446b2c3 100644 --- a/llvm/test/CodeGen/Mips/llvm-ir/select-int.ll +++ b/llvm/test/CodeGen/Mips/llvm-ir/select-int.ll @@ -160,3 +160,53 @@ entry: %r = select i1 %s, i64 %x, i64 %y ret i64 %r } + +define i8* @tst_select_word_cst(i8* %a, i8* %b) { + ; ALL-LABEL: tst_select_word_cst: + + ; M2: addiu $1, $zero, -1 + ; M2: xor $1, $5, $1 + ; M2: sltu $1, $zero, $1 + ; M2: bnez $1, $[[BB0:BB[0-9_]+]] + ; M2: addiu $2, $zero, 0 + ; M2: move $2, $4 + ; M2: $[[BB0]]: + ; M2: jr $ra + + ; M3: daddiu $1, $zero, -1 + ; M3: xor $1, $5, $1 + ; M3: sltu $1, $zero, $1 + ; M3: bnez $1, $[[BB0:BB[0-9_]+]] + ; M3: daddiu $2, $zero, 0 + ; M3: move $2, $4 + ; M3: $[[BB0]]: + ; M3: jr $ra + + ; CMOV-32: addiu $1, $zero, -1 + ; CMOV-32: xor $1, $5, $1 + ; CMOV-32: movn $4, $zero, $1 + ; CMOV-32: jr $ra + ; CMOV-32: move $2, $4 + + ; SEL-32: addiu $1, $zero, -1 + ; SEL-32: xor $1, $5, $1 + ; SEL-32: sltu $1, $zero, $1 + ; SEL-32: jr $ra + ; SEL-32: seleqz $2, $4, $1 + + ; CMOV-64: daddiu $1, $zero, -1 + ; CMOV-64: xor $1, $5, $1 + ; CMOV-64: movn $4, $zero, $1 + ; CMOV-64: move $2, $4 + + ; SEL-64: daddiu $1, $zero, -1 + ; SEL-64: xor $1, $5, $1 + ; SEL-64: sltu $1, $zero, $1 + ; FIXME: This shift is redundant. + ; SEL-64: sll $1, $1, 0 + ; SEL-64: seleqz $2, $4, $1 + + %cmp = icmp eq i8* %b, inttoptr (i64 -1 to i8*) + %r = select i1 %cmp, i8* %a, i8* null + ret i8* %r +} |

