; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \ ; RUN: | FileCheck %s -check-prefixes=CHECK,RV32,RV32I ; RUN: llc -mtriple=riscv64 -verify-machineinstrs < %s \ ; RUN: | FileCheck %s -check-prefixes=CHECK,RV64,RV64I ; RUN: llc -mtriple=riscv32 -mattr=+zbs -verify-machineinstrs < %s \ ; RUN: | FileCheck %s -check-prefixes=CHECK,ZBS,RV32,RV32ZBS ; RUN: llc -mtriple=riscv64 -mattr=+zbs -verify-machineinstrs < %s \ ; RUN: | FileCheck %s -check-prefixes=CHECK,ZBS,RV64,RV64ZBS define signext i32 @bittest_7_i32(i32 signext %a) nounwind { ; CHECK-LABEL: bittest_7_i32: ; CHECK: # %bb.0: ; CHECK-NEXT: andi a0, a0, 128 ; CHECK-NEXT: seqz a0, a0 ; CHECK-NEXT: ret %shr = lshr i32 %a, 7 %not = xor i32 %shr, -1 %and = and i32 %not, 1 ret i32 %and } define signext i32 @bittest_10_i32(i32 signext %a) nounwind { ; CHECK-LABEL: bittest_10_i32: ; CHECK: # %bb.0: ; CHECK-NEXT: andi a0, a0, 1024 ; CHECK-NEXT: seqz a0, a0 ; CHECK-NEXT: ret %shr = lshr i32 %a, 10 %not = xor i32 %shr, -1 %and = and i32 %not, 1 ret i32 %and } define signext i32 @bittest_11_i32(i32 signext %a) nounwind { ; RV32I-LABEL: bittest_11_i32: ; RV32I: # %bb.0: ; RV32I-NEXT: not a0, a0 ; RV32I-NEXT: slli a0, a0, 20 ; RV32I-NEXT: srli a0, a0, 31 ; RV32I-NEXT: ret ; ; RV64I-LABEL: bittest_11_i32: ; RV64I: # %bb.0: ; RV64I-NEXT: not a0, a0 ; RV64I-NEXT: slli a0, a0, 52 ; RV64I-NEXT: srli a0, a0, 63 ; RV64I-NEXT: ret ; ; ZBS-LABEL: bittest_11_i32: ; ZBS: # %bb.0: ; ZBS-NEXT: not a0, a0 ; ZBS-NEXT: bexti a0, a0, 11 ; ZBS-NEXT: ret %shr = lshr i32 %a, 11 %not = xor i32 %shr, -1 %and = and i32 %not, 1 ret i32 %and } define signext i32 @bittest_31_i32(i32 signext %a) nounwind { ; RV32-LABEL: bittest_31_i32: ; RV32: # %bb.0: ; RV32-NEXT: not a0, a0 ; RV32-NEXT: srli a0, a0, 31 ; RV32-NEXT: ret ; ; RV64-LABEL: bittest_31_i32: ; RV64: # %bb.0: ; RV64-NEXT: not a0, a0 ; RV64-NEXT: srliw a0, a0, 31 ; RV64-NEXT: ret %shr = lshr i32 %a, 31 %not = xor i32 %shr, -1 %and = and i32 %not, 1 ret i32 %and } define i64 @bittest_7_i64(i64 %a) nounwind { ; RV32-LABEL: bittest_7_i64: ; RV32: # %bb.0: ; RV32-NEXT: andi a0, a0, 128 ; RV32-NEXT: seqz a0, a0 ; RV32-NEXT: li a1, 0 ; RV32-NEXT: ret ; ; RV64-LABEL: bittest_7_i64: ; RV64: # %bb.0: ; RV64-NEXT: andi a0, a0, 128 ; RV64-NEXT: seqz a0, a0 ; RV64-NEXT: ret %shr = lshr i64 %a, 7 %not = xor i64 %shr, -1 %and = and i64 %not, 1 ret i64 %and } define i64 @bittest_10_i64(i64 %a) nounwind { ; RV32-LABEL: bittest_10_i64: ; RV32: # %bb.0: ; RV32-NEXT: andi a0, a0, 1024 ; RV32-NEXT: seqz a0, a0 ; RV32-NEXT: li a1, 0 ; RV32-NEXT: ret ; ; RV64-LABEL: bittest_10_i64: ; RV64: # %bb.0: ; RV64-NEXT: andi a0, a0, 1024 ; RV64-NEXT: seqz a0, a0 ; RV64-NEXT: ret %shr = lshr i64 %a, 10 %not = xor i64 %shr, -1 %and = and i64 %not, 1 ret i64 %and } define i64 @bittest_11_i64(i64 %a) nounwind { ; RV32I-LABEL: bittest_11_i64: ; RV32I: # %bb.0: ; RV32I-NEXT: not a0, a0 ; RV32I-NEXT: slli a0, a0, 20 ; RV32I-NEXT: srli a0, a0, 31 ; RV32I-NEXT: li a1, 0 ; RV32I-NEXT: ret ; ; RV64I-LABEL: bittest_11_i64: ; RV64I: # %bb.0: ; RV64I-NEXT: not a0, a0 ; RV64I-NEXT: slli a0, a0, 52 ; RV64I-NEXT: srli a0, a0, 63 ; RV64I-NEXT: ret ; ; RV32ZBS-LABEL: bittest_11_i64: ; RV32ZBS: # %bb.0: ; RV32ZBS-NEXT: not a0, a0 ; RV32ZBS-NEXT: bexti a0, a0, 11 ; RV32ZBS-NEXT: li a1, 0 ; RV32ZBS-NEXT: ret ; ; RV64ZBS-LABEL: bittest_11_i64: ; RV64ZBS: # %bb.0: ; RV64ZBS-NEXT: not a0, a0 ; RV64ZBS-NEXT: bexti a0, a0, 11 ; RV64ZBS-NEXT: ret %shr = lshr i64 %a, 11 %not = xor i64 %shr, -1 %and = and i64 %not, 1 ret i64 %and } define i64 @bittest_31_i64(i64 %a) nounwind { ; RV32-LABEL: bittest_31_i64: ; RV32: # %bb.0: ; RV32-NEXT: not a0, a0 ; RV32-NEXT: srli a0, a0, 31 ; RV32-NEXT: li a1, 0 ; RV32-NEXT: ret ; ; RV64-LABEL: bittest_31_i64: ; RV64: # %bb.0: ; RV64-NEXT: not a0, a0 ; RV64-NEXT: srliw a0, a0, 31 ; RV64-NEXT: ret %shr = lshr i64 %a, 31 %not = xor i64 %shr, -1 %and = and i64 %not, 1 ret i64 %and } define i64 @bittest_32_i64(i64 %a) nounwind { ; RV32-LABEL: bittest_32_i64: ; RV32: # %bb.0: ; RV32-NEXT: not a0, a1 ; RV32-NEXT: andi a0, a0, 1 ; RV32-NEXT: li a1, 0 ; RV32-NEXT: ret ; ; RV64I-LABEL: bittest_32_i64: ; RV64I: # %bb.0: ; RV64I-NEXT: not a0, a0 ; RV64I-NEXT: slli a0, a0, 31 ; RV64I-NEXT: srli a0, a0, 63 ; RV64I-NEXT: ret ; ; RV64ZBS-LABEL: bittest_32_i64: ; RV64ZBS: # %bb.0: ; RV64ZBS-NEXT: not a0, a0 ; RV64ZBS-NEXT: bexti a0, a0, 32 ; RV64ZBS-NEXT: ret %shr = lshr i64 %a, 32 %not = xor i64 %shr, -1 %and = and i64 %not, 1 ret i64 %and } define i64 @bittest_63_i64(i64 %a) nounwind { ; RV32-LABEL: bittest_63_i64: ; RV32: # %bb.0: ; RV32-NEXT: not a0, a1 ; RV32-NEXT: srli a0, a0, 31 ; RV32-NEXT: li a1, 0 ; RV32-NEXT: ret ; ; RV64-LABEL: bittest_63_i64: ; RV64: # %bb.0: ; RV64-NEXT: not a0, a0 ; RV64-NEXT: srli a0, a0, 63 ; RV64-NEXT: ret %shr = lshr i64 %a, 63 %not = xor i64 %shr, -1 %and = and i64 %not, 1 ret i64 %and } ; Make sure we use (andi (srl X, Y), 1) or bext. define i1 @bittest_constant_by_var_shr_i32(i32 signext %b) nounwind { ; RV32I-LABEL: bittest_constant_by_var_shr_i32: ; RV32I: # %bb.0: ; RV32I-NEXT: lui a1, 301408 ; RV32I-NEXT: addi a1, a1, 722 ; RV32I-NEXT: srl a0, a1, a0 ; RV32I-NEXT: andi a0, a0, 1 ; RV32I-NEXT: ret ; ; RV64I-LABEL: bittest_constant_by_var_shr_i32: ; RV64I: # %bb.0: ; RV64I-NEXT: lui a1, 301408 ; RV64I-NEXT: addiw a1, a1, 722 ; RV64I-NEXT: srlw a0, a1, a0 ; RV64I-NEXT: andi a0, a0, 1 ; RV64I-NEXT: ret ; ; RV32ZBS-LABEL: bittest_constant_by_var_shr_i32: ; RV32ZBS: # %bb.0: ; RV32ZBS-NEXT: lui a1, 301408 ; RV32ZBS-NEXT: addi a1, a1, 722 ; RV32ZBS-NEXT: bext a0, a1, a0 ; RV32ZBS-NEXT: ret ; ; RV64ZBS-LABEL: bittest_constant_by_var_shr_i32: ; RV64ZBS: # %bb.0: ; RV64ZBS-NEXT: lui a1, 301408 ; RV64ZBS-NEXT: addiw a1, a1, 722 ; RV64ZBS-NEXT: bext a0, a1, a0 ; RV64ZBS-NEXT: ret %shl = lshr i32 1234567890, %b %and = and i32 %shl, 1 %cmp = icmp ne i32 %and, 0 ret i1 %cmp } ; Make sure we use (andi (srl X, Y), 1) or bext. define i1 @bittest_constant_by_var_shl_i32(i32 signext %b) nounwind { ; RV32I-LABEL: bittest_constant_by_var_shl_i32: ; RV32I: # %bb.0: ; RV32I-NEXT: lui a1, 301408 ; RV32I-NEXT: addi a1, a1, 722 ; RV32I-NEXT: srl a0, a1, a0 ; RV32I-NEXT: andi a0, a0, 1 ; RV32I-NEXT: ret ; ; RV64I-LABEL: bittest_constant_by_var_shl_i32: ; RV64I: # %bb.0: ; RV64I-NEXT: lui a1, 301408 ; RV64I-NEXT: addiw a1, a1, 722 ; RV64I-NEXT: srlw a0, a1, a0 ; RV64I-NEXT: andi a0, a0, 1 ; RV64I-NEXT: ret ; ; RV32ZBS-LABEL: bittest_constant_by_var_shl_i32: ; RV32ZBS: # %bb.0: ; RV32ZBS-NEXT: lui a1, 301408 ; RV32ZBS-NEXT: addi a1, a1, 722 ; RV32ZBS-NEXT: bext a0, a1, a0 ; RV32ZBS-NEXT: ret ; ; RV64ZBS-LABEL: bittest_constant_by_var_shl_i32: ; RV64ZBS: # %bb.0: ; RV64ZBS-NEXT: lui a1, 301408 ; RV64ZBS-NEXT: addiw a1, a1, 722 ; RV64ZBS-NEXT: bext a0, a1, a0 ; RV64ZBS-NEXT: ret %shl = shl i32 1, %b %and = and i32 %shl, 1234567890 %cmp = icmp ne i32 %and, 0 ret i1 %cmp } ; Make sure we use (andi (srl X, Y), 1) or bext. define i1 @bittest_constant_by_var_shr_i64(i64 %b) nounwind { ; RV32-LABEL: bittest_constant_by_var_shr_i64: ; RV32: # %bb.0: ; RV32-NEXT: addi a1, a0, -32 ; RV32-NEXT: bltz a1, .LBB12_2 ; RV32-NEXT: # %bb.1: ; RV32-NEXT: andi a0, zero, 1 ; RV32-NEXT: ret ; RV32-NEXT: .LBB12_2: ; RV32-NEXT: lui a1, 301408 ; RV32-NEXT: addi a1, a1, 722 ; RV32-NEXT: srl a0, a1, a0 ; RV32-NEXT: andi a0, a0, 1 ; RV32-NEXT: ret ; ; RV64I-LABEL: bittest_constant_by_var_shr_i64: ; RV64I: # %bb.0: ; RV64I-NEXT: lui a1, 301408 ; RV64I-NEXT: addiw a1, a1, 722 ; RV64I-NEXT: srl a0, a1, a0 ; RV64I-NEXT: andi a0, a0, 1 ; RV64I-NEXT: ret ; ; RV64ZBS-LABEL: bittest_constant_by_var_shr_i64: ; RV64ZBS: # %bb.0: ; RV64ZBS-NEXT: lui a1, 301408 ; RV64ZBS-NEXT: addiw a1, a1, 722 ; RV64ZBS-NEXT: bext a0, a1, a0 ; RV64ZBS-NEXT: ret %shl = lshr i64 1234567890, %b %and = and i64 %shl, 1 %cmp = icmp ne i64 %and, 0 ret i1 %cmp } ; Make sure we use (andi (srl X, Y), 1) or bext. define i1 @bittest_constant_by_var_shl_i64(i64 %b) nounwind { ; RV32-LABEL: bittest_constant_by_var_shl_i64: ; RV32: # %bb.0: ; RV32-NEXT: addi a1, a0, -32 ; RV32-NEXT: bltz a1, .LBB13_2 ; RV32-NEXT: # %bb.1: ; RV32-NEXT: andi a0, zero, 1 ; RV32-NEXT: ret ; RV32-NEXT: .LBB13_2: ; RV32-NEXT: lui a1, 301408 ; RV32-NEXT: addi a1, a1, 722 ; RV32-NEXT: srl a0, a1, a0 ; RV32-NEXT: andi a0, a0, 1 ; RV32-NEXT: ret ; ; RV64I-LABEL: bittest_constant_by_var_shl_i64: ; RV64I: # %bb.0: ; RV64I-NEXT: lui a1, 301408 ; RV64I-NEXT: addiw a1, a1, 722 ; RV64I-NEXT: srl a0, a1, a0 ; RV64I-NEXT: andi a0, a0, 1 ; RV64I-NEXT: ret ; ; RV64ZBS-LABEL: bittest_constant_by_var_shl_i64: ; RV64ZBS: # %bb.0: ; RV64ZBS-NEXT: lui a1, 301408 ; RV64ZBS-NEXT: addiw a1, a1, 722 ; RV64ZBS-NEXT: bext a0, a1, a0 ; RV64ZBS-NEXT: ret %shl = shl i64 1, %b %and = and i64 %shl, 1234567890 %cmp = icmp ne i64 %and, 0 ret i1 %cmp } ; We want to use (andi (srl X, Y), 1) or bext before the beqz. define void @bittest_switch(i32 signext %0) { ; RV32I-LABEL: bittest_switch: ; RV32I: # %bb.0: ; RV32I-NEXT: li a1, 31 ; RV32I-NEXT: bltu a1, a0, .LBB14_3 ; RV32I-NEXT: # %bb.1: ; RV32I-NEXT: lui a1, 524291 ; RV32I-NEXT: addi a1, a1, 768 ; RV32I-NEXT: srl a0, a1, a0 ; RV32I-NEXT: andi a0, a0, 1 ; RV32I-NEXT: beqz a0, .LBB14_3 ; RV32I-NEXT: # %bb.2: ; RV32I-NEXT: tail bar@plt ; RV32I-NEXT: .LBB14_3: ; RV32I-NEXT: ret ; ; RV64I-LABEL: bittest_switch: ; RV64I: # %bb.0: ; RV64I-NEXT: li a1, 31 ; RV64I-NEXT: bltu a1, a0, .LBB14_3 ; RV64I-NEXT: # %bb.1: ; RV64I-NEXT: lui a1, 2048 ; RV64I-NEXT: addiw a1, a1, 51 ; RV64I-NEXT: slli a1, a1, 8 ; RV64I-NEXT: srl a0, a1, a0 ; RV64I-NEXT: andi a0, a0, 1 ; RV64I-NEXT: beqz a0, .LBB14_3 ; RV64I-NEXT: # %bb.2: ; RV64I-NEXT: tail bar@plt ; RV64I-NEXT: .LBB14_3: ; RV64I-NEXT: ret ; ; RV32ZBS-LABEL: bittest_switch: ; RV32ZBS: # %bb.0: ; RV32ZBS-NEXT: li a1, 31 ; RV32ZBS-NEXT: bltu a1, a0, .LBB14_3 ; RV32ZBS-NEXT: # %bb.1: ; RV32ZBS-NEXT: lui a1, 524291 ; RV32ZBS-NEXT: addi a1, a1, 768 ; RV32ZBS-NEXT: bext a0, a1, a0 ; RV32ZBS-NEXT: beqz a0, .LBB14_3 ; RV32ZBS-NEXT: # %bb.2: ; RV32ZBS-NEXT: tail bar@plt ; RV32ZBS-NEXT: .LBB14_3: ; RV32ZBS-NEXT: ret ; ; RV64ZBS-LABEL: bittest_switch: ; RV64ZBS: # %bb.0: ; RV64ZBS-NEXT: li a1, 31 ; RV64ZBS-NEXT: bltu a1, a0, .LBB14_3 ; RV64ZBS-NEXT: # %bb.1: ; RV64ZBS-NEXT: lui a1, 2048 ; RV64ZBS-NEXT: addiw a1, a1, 51 ; RV64ZBS-NEXT: slli a1, a1, 8 ; RV64ZBS-NEXT: bext a0, a1, a0 ; RV64ZBS-NEXT: beqz a0, .LBB14_3 ; RV64ZBS-NEXT: # %bb.2: ; RV64ZBS-NEXT: tail bar@plt ; RV64ZBS-NEXT: .LBB14_3: ; RV64ZBS-NEXT: ret switch i32 %0, label %3 [ i32 8, label %2 i32 9, label %2 i32 12, label %2 i32 13, label %2 i32 31, label %2 ] 2: tail call void @bar() br label %3 3: ret void } declare void @bar()