| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -mtriple=riscv64 -verify-machineinstrs < %s \ |
| ; RUN: | FileCheck %s -check-prefix=RV64I |
| ; RUN: llc -mtriple=riscv64 -mattr=+experimental-b -verify-machineinstrs < %s \ |
| ; RUN: | FileCheck %s -check-prefix=RV64IB |
| ; RUN: llc -mtriple=riscv64 -mattr=+experimental-zbb -verify-machineinstrs < %s \ |
| ; RUN: | FileCheck %s -check-prefix=RV64IBB |
| ; RUN: llc -mtriple=riscv64 -mattr=+experimental-zbp -verify-machineinstrs < %s \ |
| ; RUN: | FileCheck %s -check-prefix=RV64IBP |
| |
| define signext i32 @andn_i32(i32 signext %a, i32 signext %b) nounwind { |
| ; RV64I-LABEL: andn_i32: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: not a1, a1 |
| ; RV64I-NEXT: and a0, a1, a0 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64IB-LABEL: andn_i32: |
| ; RV64IB: # %bb.0: |
| ; RV64IB-NEXT: andn a0, a0, a1 |
| ; RV64IB-NEXT: ret |
| ; |
| ; RV64IBB-LABEL: andn_i32: |
| ; RV64IBB: # %bb.0: |
| ; RV64IBB-NEXT: andn a0, a0, a1 |
| ; RV64IBB-NEXT: ret |
| ; |
| ; RV64IBP-LABEL: andn_i32: |
| ; RV64IBP: # %bb.0: |
| ; RV64IBP-NEXT: andn a0, a0, a1 |
| ; RV64IBP-NEXT: ret |
| %neg = xor i32 %b, -1 |
| %and = and i32 %neg, %a |
| ret i32 %and |
| } |
| |
| define i64 @andn_i64(i64 %a, i64 %b) nounwind { |
| ; RV64I-LABEL: andn_i64: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: not a1, a1 |
| ; RV64I-NEXT: and a0, a1, a0 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64IB-LABEL: andn_i64: |
| ; RV64IB: # %bb.0: |
| ; RV64IB-NEXT: andn a0, a0, a1 |
| ; RV64IB-NEXT: ret |
| ; |
| ; RV64IBB-LABEL: andn_i64: |
| ; RV64IBB: # %bb.0: |
| ; RV64IBB-NEXT: andn a0, a0, a1 |
| ; RV64IBB-NEXT: ret |
| ; |
| ; RV64IBP-LABEL: andn_i64: |
| ; RV64IBP: # %bb.0: |
| ; RV64IBP-NEXT: andn a0, a0, a1 |
| ; RV64IBP-NEXT: ret |
| %neg = xor i64 %b, -1 |
| %and = and i64 %neg, %a |
| ret i64 %and |
| } |
| |
| define signext i32 @orn_i32(i32 signext %a, i32 signext %b) nounwind { |
| ; RV64I-LABEL: orn_i32: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: not a1, a1 |
| ; RV64I-NEXT: or a0, a1, a0 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64IB-LABEL: orn_i32: |
| ; RV64IB: # %bb.0: |
| ; RV64IB-NEXT: orn a0, a0, a1 |
| ; RV64IB-NEXT: ret |
| ; |
| ; RV64IBB-LABEL: orn_i32: |
| ; RV64IBB: # %bb.0: |
| ; RV64IBB-NEXT: orn a0, a0, a1 |
| ; RV64IBB-NEXT: ret |
| ; |
| ; RV64IBP-LABEL: orn_i32: |
| ; RV64IBP: # %bb.0: |
| ; RV64IBP-NEXT: orn a0, a0, a1 |
| ; RV64IBP-NEXT: ret |
| %neg = xor i32 %b, -1 |
| %or = or i32 %neg, %a |
| ret i32 %or |
| } |
| |
| define i64 @orn_i64(i64 %a, i64 %b) nounwind { |
| ; RV64I-LABEL: orn_i64: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: not a1, a1 |
| ; RV64I-NEXT: or a0, a1, a0 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64IB-LABEL: orn_i64: |
| ; RV64IB: # %bb.0: |
| ; RV64IB-NEXT: orn a0, a0, a1 |
| ; RV64IB-NEXT: ret |
| ; |
| ; RV64IBB-LABEL: orn_i64: |
| ; RV64IBB: # %bb.0: |
| ; RV64IBB-NEXT: orn a0, a0, a1 |
| ; RV64IBB-NEXT: ret |
| ; |
| ; RV64IBP-LABEL: orn_i64: |
| ; RV64IBP: # %bb.0: |
| ; RV64IBP-NEXT: orn a0, a0, a1 |
| ; RV64IBP-NEXT: ret |
| %neg = xor i64 %b, -1 |
| %or = or i64 %neg, %a |
| ret i64 %or |
| } |
| |
| define signext i32 @xnor_i32(i32 signext %a, i32 signext %b) nounwind { |
| ; RV64I-LABEL: xnor_i32: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: xor a0, a0, a1 |
| ; RV64I-NEXT: not a0, a0 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64IB-LABEL: xnor_i32: |
| ; RV64IB: # %bb.0: |
| ; RV64IB-NEXT: xnor a0, a0, a1 |
| ; RV64IB-NEXT: ret |
| ; |
| ; RV64IBB-LABEL: xnor_i32: |
| ; RV64IBB: # %bb.0: |
| ; RV64IBB-NEXT: xnor a0, a0, a1 |
| ; RV64IBB-NEXT: ret |
| ; |
| ; RV64IBP-LABEL: xnor_i32: |
| ; RV64IBP: # %bb.0: |
| ; RV64IBP-NEXT: xnor a0, a0, a1 |
| ; RV64IBP-NEXT: ret |
| %neg = xor i32 %a, -1 |
| %xor = xor i32 %neg, %b |
| ret i32 %xor |
| } |
| |
| define i64 @xnor_i64(i64 %a, i64 %b) nounwind { |
| ; RV64I-LABEL: xnor_i64: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: xor a0, a0, a1 |
| ; RV64I-NEXT: not a0, a0 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64IB-LABEL: xnor_i64: |
| ; RV64IB: # %bb.0: |
| ; RV64IB-NEXT: xnor a0, a0, a1 |
| ; RV64IB-NEXT: ret |
| ; |
| ; RV64IBB-LABEL: xnor_i64: |
| ; RV64IBB: # %bb.0: |
| ; RV64IBB-NEXT: xnor a0, a0, a1 |
| ; RV64IBB-NEXT: ret |
| ; |
| ; RV64IBP-LABEL: xnor_i64: |
| ; RV64IBP: # %bb.0: |
| ; RV64IBP-NEXT: xnor a0, a0, a1 |
| ; RV64IBP-NEXT: ret |
| %neg = xor i64 %a, -1 |
| %xor = xor i64 %neg, %b |
| ret i64 %xor |
| } |
| |
| declare i32 @llvm.fshl.i32(i32, i32, i32) |
| |
| define signext i32 @rol_i32(i32 signext %a, i32 signext %b) nounwind { |
| ; RV64I-LABEL: rol_i32: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: sllw a2, a0, a1 |
| ; RV64I-NEXT: neg a1, a1 |
| ; RV64I-NEXT: srlw a0, a0, a1 |
| ; RV64I-NEXT: or a0, a2, a0 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64IB-LABEL: rol_i32: |
| ; RV64IB: # %bb.0: |
| ; RV64IB-NEXT: rolw a0, a0, a1 |
| ; RV64IB-NEXT: ret |
| ; |
| ; RV64IBB-LABEL: rol_i32: |
| ; RV64IBB: # %bb.0: |
| ; RV64IBB-NEXT: rolw a0, a0, a1 |
| ; RV64IBB-NEXT: ret |
| ; |
| ; RV64IBP-LABEL: rol_i32: |
| ; RV64IBP: # %bb.0: |
| ; RV64IBP-NEXT: rolw a0, a0, a1 |
| ; RV64IBP-NEXT: ret |
| %1 = tail call i32 @llvm.fshl.i32(i32 %a, i32 %a, i32 %b) |
| ret i32 %1 |
| } |
| |
| ; Similar to rol_i32, but doesn't sign extend the result. |
| define void @rol_i32_nosext(i32 signext %a, i32 signext %b, i32* %x) nounwind { |
| ; RV64I-LABEL: rol_i32_nosext: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: sllw a3, a0, a1 |
| ; RV64I-NEXT: neg a1, a1 |
| ; RV64I-NEXT: srlw a0, a0, a1 |
| ; RV64I-NEXT: or a0, a3, a0 |
| ; RV64I-NEXT: sw a0, 0(a2) |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64IB-LABEL: rol_i32_nosext: |
| ; RV64IB: # %bb.0: |
| ; RV64IB-NEXT: rolw a0, a0, a1 |
| ; RV64IB-NEXT: sw a0, 0(a2) |
| ; RV64IB-NEXT: ret |
| ; |
| ; RV64IBB-LABEL: rol_i32_nosext: |
| ; RV64IBB: # %bb.0: |
| ; RV64IBB-NEXT: rolw a0, a0, a1 |
| ; RV64IBB-NEXT: sw a0, 0(a2) |
| ; RV64IBB-NEXT: ret |
| ; |
| ; RV64IBP-LABEL: rol_i32_nosext: |
| ; RV64IBP: # %bb.0: |
| ; RV64IBP-NEXT: rolw a0, a0, a1 |
| ; RV64IBP-NEXT: sw a0, 0(a2) |
| ; RV64IBP-NEXT: ret |
| %1 = tail call i32 @llvm.fshl.i32(i32 %a, i32 %a, i32 %b) |
| store i32 %1, i32* %x |
| ret void |
| } |
| |
| declare i64 @llvm.fshl.i64(i64, i64, i64) |
| |
| define i64 @rol_i64(i64 %a, i64 %b) nounwind { |
| ; RV64I-LABEL: rol_i64: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: sll a2, a0, a1 |
| ; RV64I-NEXT: neg a1, a1 |
| ; RV64I-NEXT: srl a0, a0, a1 |
| ; RV64I-NEXT: or a0, a2, a0 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64IB-LABEL: rol_i64: |
| ; RV64IB: # %bb.0: |
| ; RV64IB-NEXT: rol a0, a0, a1 |
| ; RV64IB-NEXT: ret |
| ; |
| ; RV64IBB-LABEL: rol_i64: |
| ; RV64IBB: # %bb.0: |
| ; RV64IBB-NEXT: rol a0, a0, a1 |
| ; RV64IBB-NEXT: ret |
| ; |
| ; RV64IBP-LABEL: rol_i64: |
| ; RV64IBP: # %bb.0: |
| ; RV64IBP-NEXT: rol a0, a0, a1 |
| ; RV64IBP-NEXT: ret |
| %or = tail call i64 @llvm.fshl.i64(i64 %a, i64 %a, i64 %b) |
| ret i64 %or |
| } |
| |
| declare i32 @llvm.fshr.i32(i32, i32, i32) |
| |
| define signext i32 @ror_i32(i32 signext %a, i32 signext %b) nounwind { |
| ; RV64I-LABEL: ror_i32: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: srlw a2, a0, a1 |
| ; RV64I-NEXT: neg a1, a1 |
| ; RV64I-NEXT: sllw a0, a0, a1 |
| ; RV64I-NEXT: or a0, a2, a0 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64IB-LABEL: ror_i32: |
| ; RV64IB: # %bb.0: |
| ; RV64IB-NEXT: rorw a0, a0, a1 |
| ; RV64IB-NEXT: ret |
| ; |
| ; RV64IBB-LABEL: ror_i32: |
| ; RV64IBB: # %bb.0: |
| ; RV64IBB-NEXT: rorw a0, a0, a1 |
| ; RV64IBB-NEXT: ret |
| ; |
| ; RV64IBP-LABEL: ror_i32: |
| ; RV64IBP: # %bb.0: |
| ; RV64IBP-NEXT: rorw a0, a0, a1 |
| ; RV64IBP-NEXT: ret |
| %1 = tail call i32 @llvm.fshr.i32(i32 %a, i32 %a, i32 %b) |
| ret i32 %1 |
| } |
| |
| ; Similar to ror_i32, but doesn't sign extend the result. |
| define void @ror_i32_nosext(i32 signext %a, i32 signext %b, i32* %x) nounwind { |
| ; RV64I-LABEL: ror_i32_nosext: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: srlw a3, a0, a1 |
| ; RV64I-NEXT: neg a1, a1 |
| ; RV64I-NEXT: sllw a0, a0, a1 |
| ; RV64I-NEXT: or a0, a3, a0 |
| ; RV64I-NEXT: sw a0, 0(a2) |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64IB-LABEL: ror_i32_nosext: |
| ; RV64IB: # %bb.0: |
| ; RV64IB-NEXT: rorw a0, a0, a1 |
| ; RV64IB-NEXT: sw a0, 0(a2) |
| ; RV64IB-NEXT: ret |
| ; |
| ; RV64IBB-LABEL: ror_i32_nosext: |
| ; RV64IBB: # %bb.0: |
| ; RV64IBB-NEXT: rorw a0, a0, a1 |
| ; RV64IBB-NEXT: sw a0, 0(a2) |
| ; RV64IBB-NEXT: ret |
| ; |
| ; RV64IBP-LABEL: ror_i32_nosext: |
| ; RV64IBP: # %bb.0: |
| ; RV64IBP-NEXT: rorw a0, a0, a1 |
| ; RV64IBP-NEXT: sw a0, 0(a2) |
| ; RV64IBP-NEXT: ret |
| %1 = tail call i32 @llvm.fshr.i32(i32 %a, i32 %a, i32 %b) |
| store i32 %1, i32* %x |
| ret void |
| } |
| |
| declare i64 @llvm.fshr.i64(i64, i64, i64) |
| |
| define i64 @ror_i64(i64 %a, i64 %b) nounwind { |
| ; RV64I-LABEL: ror_i64: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: srl a2, a0, a1 |
| ; RV64I-NEXT: neg a1, a1 |
| ; RV64I-NEXT: sll a0, a0, a1 |
| ; RV64I-NEXT: or a0, a2, a0 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64IB-LABEL: ror_i64: |
| ; RV64IB: # %bb.0: |
| ; RV64IB-NEXT: ror a0, a0, a1 |
| ; RV64IB-NEXT: ret |
| ; |
| ; RV64IBB-LABEL: ror_i64: |
| ; RV64IBB: # %bb.0: |
| ; RV64IBB-NEXT: ror a0, a0, a1 |
| ; RV64IBB-NEXT: ret |
| ; |
| ; RV64IBP-LABEL: ror_i64: |
| ; RV64IBP: # %bb.0: |
| ; RV64IBP-NEXT: ror a0, a0, a1 |
| ; RV64IBP-NEXT: ret |
| %or = tail call i64 @llvm.fshr.i64(i64 %a, i64 %a, i64 %b) |
| ret i64 %or |
| } |
| |
| define signext i32 @rori_i32_fshl(i32 signext %a) nounwind { |
| ; RV64I-LABEL: rori_i32_fshl: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: srliw a1, a0, 1 |
| ; RV64I-NEXT: slli a0, a0, 31 |
| ; RV64I-NEXT: or a0, a0, a1 |
| ; RV64I-NEXT: sext.w a0, a0 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64IB-LABEL: rori_i32_fshl: |
| ; RV64IB: # %bb.0: |
| ; RV64IB-NEXT: roriw a0, a0, 1 |
| ; RV64IB-NEXT: ret |
| ; |
| ; RV64IBB-LABEL: rori_i32_fshl: |
| ; RV64IBB: # %bb.0: |
| ; RV64IBB-NEXT: roriw a0, a0, 1 |
| ; RV64IBB-NEXT: ret |
| ; |
| ; RV64IBP-LABEL: rori_i32_fshl: |
| ; RV64IBP: # %bb.0: |
| ; RV64IBP-NEXT: roriw a0, a0, 1 |
| ; RV64IBP-NEXT: ret |
| %1 = tail call i32 @llvm.fshl.i32(i32 %a, i32 %a, i32 31) |
| ret i32 %1 |
| } |
| |
| ; Similar to rori_i32_fshl, but doesn't sign extend the result. |
| define void @rori_i32_fshl_nosext(i32 signext %a, i32* %x) nounwind { |
| ; RV64I-LABEL: rori_i32_fshl_nosext: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: srliw a2, a0, 1 |
| ; RV64I-NEXT: slli a0, a0, 31 |
| ; RV64I-NEXT: or a0, a0, a2 |
| ; RV64I-NEXT: sw a0, 0(a1) |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64IB-LABEL: rori_i32_fshl_nosext: |
| ; RV64IB: # %bb.0: |
| ; RV64IB-NEXT: roriw a0, a0, 1 |
| ; RV64IB-NEXT: sw a0, 0(a1) |
| ; RV64IB-NEXT: ret |
| ; |
| ; RV64IBB-LABEL: rori_i32_fshl_nosext: |
| ; RV64IBB: # %bb.0: |
| ; RV64IBB-NEXT: roriw a0, a0, 1 |
| ; RV64IBB-NEXT: sw a0, 0(a1) |
| ; RV64IBB-NEXT: ret |
| ; |
| ; RV64IBP-LABEL: rori_i32_fshl_nosext: |
| ; RV64IBP: # %bb.0: |
| ; RV64IBP-NEXT: roriw a0, a0, 1 |
| ; RV64IBP-NEXT: sw a0, 0(a1) |
| ; RV64IBP-NEXT: ret |
| %1 = tail call i32 @llvm.fshl.i32(i32 %a, i32 %a, i32 31) |
| store i32 %1, i32* %x |
| ret void |
| } |
| |
| define signext i32 @rori_i32_fshr(i32 signext %a) nounwind { |
| ; RV64I-LABEL: rori_i32_fshr: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: slli a1, a0, 1 |
| ; RV64I-NEXT: srliw a0, a0, 31 |
| ; RV64I-NEXT: or a0, a0, a1 |
| ; RV64I-NEXT: sext.w a0, a0 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64IB-LABEL: rori_i32_fshr: |
| ; RV64IB: # %bb.0: |
| ; RV64IB-NEXT: roriw a0, a0, 31 |
| ; RV64IB-NEXT: ret |
| ; |
| ; RV64IBB-LABEL: rori_i32_fshr: |
| ; RV64IBB: # %bb.0: |
| ; RV64IBB-NEXT: roriw a0, a0, 31 |
| ; RV64IBB-NEXT: ret |
| ; |
| ; RV64IBP-LABEL: rori_i32_fshr: |
| ; RV64IBP: # %bb.0: |
| ; RV64IBP-NEXT: roriw a0, a0, 31 |
| ; RV64IBP-NEXT: ret |
| %1 = tail call i32 @llvm.fshr.i32(i32 %a, i32 %a, i32 31) |
| ret i32 %1 |
| } |
| |
| ; Similar to rori_i32_fshr, but doesn't sign extend the result. |
| define void @rori_i32_fshr_nosext(i32 signext %a, i32* %x) nounwind { |
| ; RV64I-LABEL: rori_i32_fshr_nosext: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: slli a2, a0, 1 |
| ; RV64I-NEXT: srliw a0, a0, 31 |
| ; RV64I-NEXT: or a0, a0, a2 |
| ; RV64I-NEXT: sw a0, 0(a1) |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64IB-LABEL: rori_i32_fshr_nosext: |
| ; RV64IB: # %bb.0: |
| ; RV64IB-NEXT: roriw a0, a0, 31 |
| ; RV64IB-NEXT: sw a0, 0(a1) |
| ; RV64IB-NEXT: ret |
| ; |
| ; RV64IBB-LABEL: rori_i32_fshr_nosext: |
| ; RV64IBB: # %bb.0: |
| ; RV64IBB-NEXT: roriw a0, a0, 31 |
| ; RV64IBB-NEXT: sw a0, 0(a1) |
| ; RV64IBB-NEXT: ret |
| ; |
| ; RV64IBP-LABEL: rori_i32_fshr_nosext: |
| ; RV64IBP: # %bb.0: |
| ; RV64IBP-NEXT: roriw a0, a0, 31 |
| ; RV64IBP-NEXT: sw a0, 0(a1) |
| ; RV64IBP-NEXT: ret |
| %1 = tail call i32 @llvm.fshr.i32(i32 %a, i32 %a, i32 31) |
| store i32 %1, i32* %x |
| ret void |
| } |
| |
| ; This test is similar to the type legalized version of the fshl/fshr tests, but |
| ; instead of having the same input to both shifts it has different inputs. Make |
| ; sure we don't match it as a roriw. |
| define signext i32 @not_rori_i32(i32 signext %x, i32 signext %y) nounwind { |
| ; RV64I-LABEL: not_rori_i32: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: slli a0, a0, 31 |
| ; RV64I-NEXT: srliw a1, a1, 1 |
| ; RV64I-NEXT: or a0, a0, a1 |
| ; RV64I-NEXT: sext.w a0, a0 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64IB-LABEL: not_rori_i32: |
| ; RV64IB: # %bb.0: |
| ; RV64IB-NEXT: slli a0, a0, 31 |
| ; RV64IB-NEXT: srliw a1, a1, 1 |
| ; RV64IB-NEXT: or a0, a0, a1 |
| ; RV64IB-NEXT: sext.w a0, a0 |
| ; RV64IB-NEXT: ret |
| ; |
| ; RV64IBB-LABEL: not_rori_i32: |
| ; RV64IBB: # %bb.0: |
| ; RV64IBB-NEXT: slli a0, a0, 31 |
| ; RV64IBB-NEXT: srliw a1, a1, 1 |
| ; RV64IBB-NEXT: or a0, a0, a1 |
| ; RV64IBB-NEXT: sext.w a0, a0 |
| ; RV64IBB-NEXT: ret |
| ; |
| ; RV64IBP-LABEL: not_rori_i32: |
| ; RV64IBP: # %bb.0: |
| ; RV64IBP-NEXT: slli a0, a0, 31 |
| ; RV64IBP-NEXT: srliw a1, a1, 1 |
| ; RV64IBP-NEXT: or a0, a0, a1 |
| ; RV64IBP-NEXT: sext.w a0, a0 |
| ; RV64IBP-NEXT: ret |
| %a = shl i32 %x, 31 |
| %b = lshr i32 %y, 1 |
| %c = or i32 %a, %b |
| ret i32 %c |
| } |
| |
| ; This is similar to the type legalized roriw pattern, but the and mask is more |
| ; than 32 bits so the lshr doesn't shift zeroes into the lower 32 bits. Make |
| ; sure we don't match it to roriw. |
| define i64 @roriw_bug(i64 %x) nounwind { |
| ; RV64I-LABEL: roriw_bug: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: slli a1, a0, 31 |
| ; RV64I-NEXT: andi a0, a0, -2 |
| ; RV64I-NEXT: srli a2, a0, 1 |
| ; RV64I-NEXT: or a1, a1, a2 |
| ; RV64I-NEXT: sext.w a1, a1 |
| ; RV64I-NEXT: xor a0, a0, a1 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64IB-LABEL: roriw_bug: |
| ; RV64IB: # %bb.0: |
| ; RV64IB-NEXT: slli a1, a0, 31 |
| ; RV64IB-NEXT: andi a0, a0, -2 |
| ; RV64IB-NEXT: srli a2, a0, 1 |
| ; RV64IB-NEXT: or a1, a1, a2 |
| ; RV64IB-NEXT: sext.w a1, a1 |
| ; RV64IB-NEXT: xor a0, a0, a1 |
| ; RV64IB-NEXT: ret |
| ; |
| ; RV64IBB-LABEL: roriw_bug: |
| ; RV64IBB: # %bb.0: |
| ; RV64IBB-NEXT: slli a1, a0, 31 |
| ; RV64IBB-NEXT: andi a0, a0, -2 |
| ; RV64IBB-NEXT: srli a2, a0, 1 |
| ; RV64IBB-NEXT: or a1, a1, a2 |
| ; RV64IBB-NEXT: sext.w a1, a1 |
| ; RV64IBB-NEXT: xor a0, a0, a1 |
| ; RV64IBB-NEXT: ret |
| ; |
| ; RV64IBP-LABEL: roriw_bug: |
| ; RV64IBP: # %bb.0: |
| ; RV64IBP-NEXT: slli a1, a0, 31 |
| ; RV64IBP-NEXT: andi a0, a0, -2 |
| ; RV64IBP-NEXT: srli a2, a0, 1 |
| ; RV64IBP-NEXT: or a1, a1, a2 |
| ; RV64IBP-NEXT: sext.w a1, a1 |
| ; RV64IBP-NEXT: xor a0, a0, a1 |
| ; RV64IBP-NEXT: ret |
| %a = shl i64 %x, 31 |
| %b = and i64 %x, 18446744073709551614 |
| %c = lshr i64 %b, 1 |
| %d = or i64 %a, %c |
| %e = shl i64 %d, 32 |
| %f = ashr i64 %e, 32 |
| %g = xor i64 %b, %f ; to increase the use count on %b to disable SimplifyDemandedBits. |
| ret i64 %g |
| } |
| |
| define i64 @rori_i64_fshl(i64 %a) nounwind { |
| ; RV64I-LABEL: rori_i64_fshl: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: srli a1, a0, 1 |
| ; RV64I-NEXT: slli a0, a0, 63 |
| ; RV64I-NEXT: or a0, a0, a1 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64IB-LABEL: rori_i64_fshl: |
| ; RV64IB: # %bb.0: |
| ; RV64IB-NEXT: rori a0, a0, 1 |
| ; RV64IB-NEXT: ret |
| ; |
| ; RV64IBB-LABEL: rori_i64_fshl: |
| ; RV64IBB: # %bb.0: |
| ; RV64IBB-NEXT: rori a0, a0, 1 |
| ; RV64IBB-NEXT: ret |
| ; |
| ; RV64IBP-LABEL: rori_i64_fshl: |
| ; RV64IBP: # %bb.0: |
| ; RV64IBP-NEXT: rori a0, a0, 1 |
| ; RV64IBP-NEXT: ret |
| %1 = tail call i64 @llvm.fshl.i64(i64 %a, i64 %a, i64 63) |
| ret i64 %1 |
| } |
| |
| define i64 @rori_i64_fshr(i64 %a) nounwind { |
| ; RV64I-LABEL: rori_i64_fshr: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: slli a1, a0, 1 |
| ; RV64I-NEXT: srli a0, a0, 63 |
| ; RV64I-NEXT: or a0, a0, a1 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64IB-LABEL: rori_i64_fshr: |
| ; RV64IB: # %bb.0: |
| ; RV64IB-NEXT: rori a0, a0, 63 |
| ; RV64IB-NEXT: ret |
| ; |
| ; RV64IBB-LABEL: rori_i64_fshr: |
| ; RV64IBB: # %bb.0: |
| ; RV64IBB-NEXT: rori a0, a0, 63 |
| ; RV64IBB-NEXT: ret |
| ; |
| ; RV64IBP-LABEL: rori_i64_fshr: |
| ; RV64IBP: # %bb.0: |
| ; RV64IBP-NEXT: rori a0, a0, 63 |
| ; RV64IBP-NEXT: ret |
| %1 = tail call i64 @llvm.fshr.i64(i64 %a, i64 %a, i64 63) |
| ret i64 %1 |
| } |
| |
| define i8 @srli_i8(i8 %a) nounwind { |
| ; RV64I-LABEL: srli_i8: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: andi a0, a0, 192 |
| ; RV64I-NEXT: srli a0, a0, 6 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64IB-LABEL: srli_i8: |
| ; RV64IB: # %bb.0: |
| ; RV64IB-NEXT: andi a0, a0, 192 |
| ; RV64IB-NEXT: srli a0, a0, 6 |
| ; RV64IB-NEXT: ret |
| ; |
| ; RV64IBB-LABEL: srli_i8: |
| ; RV64IBB: # %bb.0: |
| ; RV64IBB-NEXT: andi a0, a0, 192 |
| ; RV64IBB-NEXT: srli a0, a0, 6 |
| ; RV64IBB-NEXT: ret |
| ; |
| ; RV64IBP-LABEL: srli_i8: |
| ; RV64IBP: # %bb.0: |
| ; RV64IBP-NEXT: andi a0, a0, 192 |
| ; RV64IBP-NEXT: srli a0, a0, 6 |
| ; RV64IBP-NEXT: ret |
| %1 = lshr i8 %a, 6 |
| ret i8 %1 |
| } |
| |
| define i8 @srai_i8(i8 %a) nounwind { |
| ; RV64I-LABEL: srai_i8: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: slli a0, a0, 56 |
| ; RV64I-NEXT: srai a0, a0, 61 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64IB-LABEL: srai_i8: |
| ; RV64IB: # %bb.0: |
| ; RV64IB-NEXT: sext.b a0, a0 |
| ; RV64IB-NEXT: srai a0, a0, 5 |
| ; RV64IB-NEXT: ret |
| ; |
| ; RV64IBB-LABEL: srai_i8: |
| ; RV64IBB: # %bb.0: |
| ; RV64IBB-NEXT: sext.b a0, a0 |
| ; RV64IBB-NEXT: srai a0, a0, 5 |
| ; RV64IBB-NEXT: ret |
| ; |
| ; RV64IBP-LABEL: srai_i8: |
| ; RV64IBP: # %bb.0: |
| ; RV64IBP-NEXT: slli a0, a0, 56 |
| ; RV64IBP-NEXT: srai a0, a0, 61 |
| ; RV64IBP-NEXT: ret |
| %1 = ashr i8 %a, 5 |
| ret i8 %1 |
| } |
| |
| define i16 @srli_i16(i16 %a) nounwind { |
| ; RV64I-LABEL: srli_i16: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: slli a0, a0, 48 |
| ; RV64I-NEXT: srli a0, a0, 54 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64IB-LABEL: srli_i16: |
| ; RV64IB: # %bb.0: |
| ; RV64IB-NEXT: zext.h a0, a0 |
| ; RV64IB-NEXT: srli a0, a0, 6 |
| ; RV64IB-NEXT: ret |
| ; |
| ; RV64IBB-LABEL: srli_i16: |
| ; RV64IBB: # %bb.0: |
| ; RV64IBB-NEXT: zext.h a0, a0 |
| ; RV64IBB-NEXT: srli a0, a0, 6 |
| ; RV64IBB-NEXT: ret |
| ; |
| ; RV64IBP-LABEL: srli_i16: |
| ; RV64IBP: # %bb.0: |
| ; RV64IBP-NEXT: zext.h a0, a0 |
| ; RV64IBP-NEXT: srli a0, a0, 6 |
| ; RV64IBP-NEXT: ret |
| %1 = lshr i16 %a, 6 |
| ret i16 %1 |
| } |
| |
| define i16 @srai_i16(i16 %a) nounwind { |
| ; RV64I-LABEL: srai_i16: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: slli a0, a0, 48 |
| ; RV64I-NEXT: srai a0, a0, 57 |
| ; RV64I-NEXT: ret |
| ; |
| ; RV64IB-LABEL: srai_i16: |
| ; RV64IB: # %bb.0: |
| ; RV64IB-NEXT: sext.h a0, a0 |
| ; RV64IB-NEXT: srai a0, a0, 9 |
| ; RV64IB-NEXT: ret |
| ; |
| ; RV64IBB-LABEL: srai_i16: |
| ; RV64IBB: # %bb.0: |
| ; RV64IBB-NEXT: sext.h a0, a0 |
| ; RV64IBB-NEXT: srai a0, a0, 9 |
| ; RV64IBB-NEXT: ret |
| ; |
| ; RV64IBP-LABEL: srai_i16: |
| ; RV64IBP: # %bb.0: |
| ; RV64IBP-NEXT: slli a0, a0, 48 |
| ; RV64IBP-NEXT: srai a0, a0, 57 |
| ; RV64IBP-NEXT: ret |
| %1 = ashr i16 %a, 9 |
| ret i16 %1 |
| } |
