| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=riscv32 | FileCheck %s --check-prefixes=RV32 |
| ; RUN: llc < %s -mtriple=riscv64 | FileCheck %s --check-prefixes=RV64 |
| |
| define signext i32 @test1(i32 signext %x) nounwind { |
| ; RV32-LABEL: test1: |
| ; RV32: # %bb.0: |
| ; RV32-NEXT: ori a0, a0, 31 |
| ; RV32-NEXT: slli a0, a0, 10 |
| ; RV32-NEXT: ret |
| ; |
| ; RV64-LABEL: test1: |
| ; RV64: # %bb.0: |
| ; RV64-NEXT: ori a0, a0, 31 |
| ; RV64-NEXT: slliw a0, a0, 10 |
| ; RV64-NEXT: ret |
| %or = shl i32 %x, 10 |
| %shl = or i32 %or, 31744 |
| ret i32 %shl |
| } |
| |
| define signext i32 @test2(i32 signext %x) nounwind { |
| ; RV32-LABEL: test2: |
| ; RV32: # %bb.0: |
| ; RV32-NEXT: xori a0, a0, 31 |
| ; RV32-NEXT: slli a0, a0, 10 |
| ; RV32-NEXT: ret |
| ; |
| ; RV64-LABEL: test2: |
| ; RV64: # %bb.0: |
| ; RV64-NEXT: xori a0, a0, 31 |
| ; RV64-NEXT: slliw a0, a0, 10 |
| ; RV64-NEXT: ret |
| %xor = shl i32 %x, 10 |
| %shl = xor i32 %xor, 31744 |
| ret i32 %shl |
| } |
| |
| define i64 @test3(i64 %x) nounwind { |
| ; RV32-LABEL: test3: |
| ; RV32: # %bb.0: |
| ; RV32-NEXT: andi a1, a0, 241 |
| ; RV32-NEXT: slli a1, a1, 8 |
| ; RV32-NEXT: li a0, 0 |
| ; RV32-NEXT: ret |
| ; |
| ; RV64-LABEL: test3: |
| ; RV64: # %bb.0: |
| ; RV64-NEXT: andi a0, a0, 241 |
| ; RV64-NEXT: slli a0, a0, 40 |
| ; RV64-NEXT: ret |
| %and = shl i64 %x, 40 |
| %shl = and i64 %and, 264982302294016 |
| ret i64 %shl |
| } |
| |
| define i64 @test4(i64 %x) nounwind { |
| ; RV32-LABEL: test4: |
| ; RV32: # %bb.0: |
| ; RV32-NEXT: ori a1, a0, 241 |
| ; RV32-NEXT: slli a1, a1, 8 |
| ; RV32-NEXT: li a0, 0 |
| ; RV32-NEXT: ret |
| ; |
| ; RV64-LABEL: test4: |
| ; RV64: # %bb.0: |
| ; RV64-NEXT: ori a0, a0, 241 |
| ; RV64-NEXT: slli a0, a0, 40 |
| ; RV64-NEXT: ret |
| %or = shl i64 %x, 40 |
| %shl = or i64 %or, 264982302294016 |
| ret i64 %shl |
| } |
| |
| define i64 @test5(i64 %x) nounwind { |
| ; RV32-LABEL: test5: |
| ; RV32: # %bb.0: |
| ; RV32-NEXT: ori a1, a0, 31 |
| ; RV32-NEXT: slli a1, a1, 8 |
| ; RV32-NEXT: li a0, 0 |
| ; RV32-NEXT: ret |
| ; |
| ; RV64-LABEL: test5: |
| ; RV64: # %bb.0: |
| ; RV64-NEXT: ori a0, a0, 31 |
| ; RV64-NEXT: slli a0, a0, 40 |
| ; RV64-NEXT: ret |
| %or = shl i64 %x, 40 |
| %shl = or i64 %or, 34084860461056 |
| ret i64 %shl |
| } |
| |
| define i64 @test6(i64 %x) nounwind { |
| ; RV32-LABEL: test6: |
| ; RV32: # %bb.0: |
| ; RV32-NEXT: xori a1, a0, 241 |
| ; RV32-NEXT: slli a1, a1, 8 |
| ; RV32-NEXT: li a0, 0 |
| ; RV32-NEXT: ret |
| ; |
| ; RV64-LABEL: test6: |
| ; RV64: # %bb.0: |
| ; RV64-NEXT: xori a0, a0, 241 |
| ; RV64-NEXT: slli a0, a0, 40 |
| ; RV64-NEXT: ret |
| %xor = shl i64 %x, 40 |
| %shl = xor i64 %xor, 264982302294016 |
| ret i64 %shl |
| } |
| |
| define i64 @test7(i64 %x) nounwind { |
| ; RV32-LABEL: test7: |
| ; RV32: # %bb.0: |
| ; RV32-NEXT: xori a1, a0, 31 |
| ; RV32-NEXT: slli a1, a1, 8 |
| ; RV32-NEXT: li a0, 0 |
| ; RV32-NEXT: ret |
| ; |
| ; RV64-LABEL: test7: |
| ; RV64: # %bb.0: |
| ; RV64-NEXT: xori a0, a0, 31 |
| ; RV64-NEXT: slli a0, a0, 40 |
| ; RV64-NEXT: ret |
| %xor = shl i64 %x, 40 |
| %shl = xor i64 %xor, 34084860461056 |
| ret i64 %shl |
| } |
| |
| define i64 @test8(i64 %x) nounwind { |
| ; RV32-LABEL: test8: |
| ; RV32: # %bb.0: |
| ; RV32-NEXT: slli a0, a0, 1 |
| ; RV32-NEXT: andi a1, a0, -482 |
| ; RV32-NEXT: li a0, 0 |
| ; RV32-NEXT: ret |
| ; |
| ; RV64-LABEL: test8: |
| ; RV64: # %bb.0: |
| ; RV64-NEXT: andi a0, a0, -241 |
| ; RV64-NEXT: slli a0, a0, 33 |
| ; RV64-NEXT: ret |
| %xor = shl i64 %x, 33 |
| %shl = and i64 %xor, -2070174236672 |
| ret i64 %shl |
| } |
| |
| define i64 @test9(i64 %x) nounwind { |
| ; RV32-LABEL: test9: |
| ; RV32: # %bb.0: |
| ; RV32-NEXT: slli a0, a0, 1 |
| ; RV32-NEXT: ori a1, a0, -482 |
| ; RV32-NEXT: li a0, 0 |
| ; RV32-NEXT: ret |
| ; |
| ; RV64-LABEL: test9: |
| ; RV64: # %bb.0: |
| ; RV64-NEXT: ori a0, a0, -241 |
| ; RV64-NEXT: slli a0, a0, 33 |
| ; RV64-NEXT: ret |
| %xor = shl i64 %x, 33 |
| %shl = or i64 %xor, -2070174236672 |
| ret i64 %shl |
| } |
| |
| define i64 @test10(i64 %x) nounwind { |
| ; RV32-LABEL: test10: |
| ; RV32: # %bb.0: |
| ; RV32-NEXT: slli a0, a0, 1 |
| ; RV32-NEXT: xori a1, a0, -482 |
| ; RV32-NEXT: li a0, 0 |
| ; RV32-NEXT: ret |
| ; |
| ; RV64-LABEL: test10: |
| ; RV64: # %bb.0: |
| ; RV64-NEXT: xori a0, a0, -241 |
| ; RV64-NEXT: slli a0, a0, 33 |
| ; RV64-NEXT: ret |
| %xor = shl i64 %x, 33 |
| %shl = xor i64 %xor, -2070174236672 |
| ret i64 %shl |
| } |
| |
| define signext i32 @test11(i32 signext %x) nounwind { |
| ; RV32-LABEL: test11: |
| ; RV32: # %bb.0: |
| ; RV32-NEXT: andi a0, a0, -241 |
| ; RV32-NEXT: slli a0, a0, 17 |
| ; RV32-NEXT: ret |
| ; |
| ; RV64-LABEL: test11: |
| ; RV64: # %bb.0: |
| ; RV64-NEXT: andi a0, a0, -241 |
| ; RV64-NEXT: slliw a0, a0, 17 |
| ; RV64-NEXT: ret |
| %or = shl i32 %x, 17 |
| %shl = and i32 %or, -31588352 |
| ret i32 %shl |
| } |
| |
| define signext i32 @test12(i32 signext %x) nounwind { |
| ; RV32-LABEL: test12: |
| ; RV32: # %bb.0: |
| ; RV32-NEXT: ori a0, a0, -241 |
| ; RV32-NEXT: slli a0, a0, 17 |
| ; RV32-NEXT: ret |
| ; |
| ; RV64-LABEL: test12: |
| ; RV64: # %bb.0: |
| ; RV64-NEXT: ori a0, a0, -241 |
| ; RV64-NEXT: slli a0, a0, 17 |
| ; RV64-NEXT: ret |
| %or = shl i32 %x, 17 |
| %shl = or i32 %or, -31588352 |
| ret i32 %shl |
| } |
| |
| define signext i32 @test13(i32 signext %x) nounwind { |
| ; RV32-LABEL: test13: |
| ; RV32: # %bb.0: |
| ; RV32-NEXT: xori a0, a0, -241 |
| ; RV32-NEXT: slli a0, a0, 17 |
| ; RV32-NEXT: ret |
| ; |
| ; RV64-LABEL: test13: |
| ; RV64: # %bb.0: |
| ; RV64-NEXT: xori a0, a0, -241 |
| ; RV64-NEXT: slliw a0, a0, 17 |
| ; RV64-NEXT: ret |
| %or = shl i32 %x, 17 |
| %shl = xor i32 %or, -31588352 |
| ret i32 %shl |
| } |
| |
| ; Negative test. Can't transform because the constant has a 1 in the bits |
| ; cleared by the shl. |
| define signext i32 @test14(i32 signext %x) nounwind { |
| ; RV32-LABEL: test14: |
| ; RV32: # %bb.0: |
| ; RV32-NEXT: slli a0, a0, 10 |
| ; RV32-NEXT: lui a1, 8 |
| ; RV32-NEXT: addi a1, a1, -1027 |
| ; RV32-NEXT: or a0, a0, a1 |
| ; RV32-NEXT: ret |
| ; |
| ; RV64-LABEL: test14: |
| ; RV64: # %bb.0: |
| ; RV64-NEXT: slliw a0, a0, 10 |
| ; RV64-NEXT: lui a1, 8 |
| ; RV64-NEXT: addiw a1, a1, -1027 |
| ; RV64-NEXT: or a0, a0, a1 |
| ; RV64-NEXT: ret |
| %or = shl i32 %x, 10 |
| %shl = or i32 %or, 31741 |
| ret i32 %shl |
| } |
| |
| ; Negative test. Can't transform because the constant has a 1 in the bits |
| ; cleared by the shl. |
| define signext i32 @test15(i32 signext %x) nounwind { |
| ; RV32-LABEL: test15: |
| ; RV32: # %bb.0: |
| ; RV32-NEXT: slli a0, a0, 10 |
| ; RV32-NEXT: lui a1, 8 |
| ; RV32-NEXT: addi a1, a1, -515 |
| ; RV32-NEXT: xor a0, a0, a1 |
| ; RV32-NEXT: ret |
| ; |
| ; RV64-LABEL: test15: |
| ; RV64: # %bb.0: |
| ; RV64-NEXT: slliw a0, a0, 10 |
| ; RV64-NEXT: lui a1, 8 |
| ; RV64-NEXT: addiw a1, a1, -515 |
| ; RV64-NEXT: xor a0, a0, a1 |
| ; RV64-NEXT: ret |
| %xor = shl i32 %x, 10 |
| %shl = xor i32 %xor, 32253 |
| ret i32 %shl |
| } |