diff options
| -rw-r--r-- | llvm/lib/Target/ARM/ARMFastISel.cpp | 5 | ||||
| -rw-r--r-- | llvm/test/CodeGen/ARM/fast-isel-binary.ll | 38 |
2 files changed, 43 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/ARMFastISel.cpp b/llvm/lib/Target/ARM/ARMFastISel.cpp index faa3e5920ef..39b3bd4bded 100644 --- a/llvm/lib/Target/ARM/ARMFastISel.cpp +++ b/llvm/lib/Target/ARM/ARMFastISel.cpp @@ -1749,6 +1749,9 @@ bool ARMFastISel::SelectBinaryIntOp(const Instruction *I, unsigned ISDOpcode) { case ISD::OR: Opc = isThumb2 ? ARM::t2ORRrr : ARM::ORRrr; break; + case ISD::SUB: + Opc = isThumb2 ? ARM::t2SUBrr : ARM::SUBrr; + break; } unsigned SrcReg1 = getRegForValue(I->getOperand(0)); @@ -2509,6 +2512,8 @@ bool ARMFastISel::TargetSelectInstruction(const Instruction *I) { return SelectBinaryIntOp(I, ISD::ADD); case Instruction::Or: return SelectBinaryIntOp(I, ISD::OR); + case Instruction::Sub: + return SelectBinaryIntOp(I, ISD::SUB); case Instruction::FAdd: return SelectBinaryFPOp(I, ISD::FADD); case Instruction::FSub: diff --git a/llvm/test/CodeGen/ARM/fast-isel-binary.ll b/llvm/test/CodeGen/ARM/fast-isel-binary.ll index b15949c4f3b..723383e04b8 100644 --- a/llvm/test/CodeGen/ARM/fast-isel-binary.ll +++ b/llvm/test/CodeGen/ARM/fast-isel-binary.ll @@ -76,3 +76,41 @@ entry: store i16 %0, i16* %a.addr, align 4 ret void } + +; Test sub with non-legal types + +define void @sub_i1(i1 %a, i1 %b) nounwind ssp { +entry: +; ARM: sub_i1 +; THUMB: sub_i1 + %a.addr = alloca i1, align 4 + %0 = sub i1 %a, %b +; ARM: sub r0, r0, r1 +; THUMB: subs r0, r0, r1 + store i1 %0, i1* %a.addr, align 4 + ret void +} + +define void @sub_i8(i8 %a, i8 %b) nounwind ssp { +entry: +; ARM: sub_i8 +; THUMB: sub_i8 + %a.addr = alloca i8, align 4 + %0 = sub i8 %a, %b +; ARM: sub r0, r0, r1 +; THUMB: subs r0, r0, r1 + store i8 %0, i8* %a.addr, align 4 + ret void +} + +define void @sub_i16(i16 %a, i16 %b) nounwind ssp { +entry: +; ARM: sub_i16 +; THUMB: sub_i16 + %a.addr = alloca i16, align 4 + %0 = sub i16 %a, %b +; ARM: sub r0, r0, r1 +; THUMB: subs r0, r0, r1 + store i16 %0, i16* %a.addr, align 4 + ret void +} |
