214 lines
4.9 KiB
LLVM
214 lines
4.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
|
|
; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \
|
|
; RUN: | FileCheck %s -check-prefix=RV32I
|
|
|
|
; TODO: check the generated instructions for the equivalent of seqz, snez,
|
|
; sltz, sgtz map to something simple
|
|
|
|
define i32 @icmp_eq(i32 %a, i32 %b) nounwind {
|
|
; RV32I-LABEL: icmp_eq:
|
|
; RV32I: # %bb.0:
|
|
; RV32I-NEXT: xor a0, a0, a1
|
|
; RV32I-NEXT: seqz a0, a0
|
|
; RV32I-NEXT: ret
|
|
%1 = icmp eq i32 %a, %b
|
|
%2 = zext i1 %1 to i32
|
|
ret i32 %2
|
|
}
|
|
|
|
define i32 @icmp_eq_constant(i32 %a) nounwind {
|
|
; RV32I-LABEL: icmp_eq_constant:
|
|
; RV32I: # %bb.0:
|
|
; RV32I-NEXT: addi a0, a0, -42
|
|
; RV32I-NEXT: seqz a0, a0
|
|
; RV32I-NEXT: ret
|
|
%1 = icmp eq i32 %a, 42
|
|
%2 = zext i1 %1 to i32
|
|
ret i32 %2
|
|
}
|
|
|
|
define i32 @icmp_eq_constant_2048(i32 %a) nounwind {
|
|
; RV32I-LABEL: icmp_eq_constant_2048:
|
|
; RV32I: # %bb.0:
|
|
; RV32I-NEXT: addi a0, a0, -2048
|
|
; RV32I-NEXT: seqz a0, a0
|
|
; RV32I-NEXT: ret
|
|
%1 = icmp eq i32 %a, 2048
|
|
%2 = zext i1 %1 to i32
|
|
ret i32 %2
|
|
}
|
|
|
|
define i32 @icmp_eq_constant_neg_2048(i32 %a) nounwind {
|
|
; RV32I-LABEL: icmp_eq_constant_neg_2048:
|
|
; RV32I: # %bb.0:
|
|
; RV32I-NEXT: addi a1, zero, -2048
|
|
; RV32I-NEXT: xor a0, a0, a1
|
|
; RV32I-NEXT: seqz a0, a0
|
|
; RV32I-NEXT: ret
|
|
%1 = icmp eq i32 %a, -2048
|
|
%2 = zext i1 %1 to i32
|
|
ret i32 %2
|
|
}
|
|
|
|
define i32 @icmp_eq_constant_neg_2047(i32 %a) nounwind {
|
|
; RV32I-LABEL: icmp_eq_constant_neg_2047:
|
|
; RV32I: # %bb.0:
|
|
; RV32I-NEXT: addi a0, a0, 2047
|
|
; RV32I-NEXT: seqz a0, a0
|
|
; RV32I-NEXT: ret
|
|
%1 = icmp eq i32 %a, -2047
|
|
%2 = zext i1 %1 to i32
|
|
ret i32 %2
|
|
}
|
|
|
|
define i32 @icmp_eqz(i32 %a) nounwind {
|
|
; RV32I-LABEL: icmp_eqz:
|
|
; RV32I: # %bb.0:
|
|
; RV32I-NEXT: seqz a0, a0
|
|
; RV32I-NEXT: ret
|
|
%1 = icmp eq i32 %a, 0
|
|
%2 = zext i1 %1 to i32
|
|
ret i32 %2
|
|
}
|
|
|
|
define i32 @icmp_ne(i32 %a, i32 %b) nounwind {
|
|
; RV32I-LABEL: icmp_ne:
|
|
; RV32I: # %bb.0:
|
|
; RV32I-NEXT: xor a0, a0, a1
|
|
; RV32I-NEXT: snez a0, a0
|
|
; RV32I-NEXT: ret
|
|
%1 = icmp ne i32 %a, %b
|
|
%2 = zext i1 %1 to i32
|
|
ret i32 %2
|
|
}
|
|
|
|
define i32 @icmp_ne_constant(i32 %a) nounwind {
|
|
; RV32I-LABEL: icmp_ne_constant:
|
|
; RV32I: # %bb.0:
|
|
; RV32I-NEXT: addi a0, a0, -42
|
|
; RV32I-NEXT: snez a0, a0
|
|
; RV32I-NEXT: ret
|
|
%1 = icmp ne i32 %a, 42
|
|
%2 = zext i1 %1 to i32
|
|
ret i32 %2
|
|
}
|
|
|
|
define i32 @icmp_ne_constant_2048(i32 %a) nounwind {
|
|
; RV32I-LABEL: icmp_ne_constant_2048:
|
|
; RV32I: # %bb.0:
|
|
; RV32I-NEXT: addi a0, a0, -2048
|
|
; RV32I-NEXT: snez a0, a0
|
|
; RV32I-NEXT: ret
|
|
%1 = icmp ne i32 %a, 2048
|
|
%2 = zext i1 %1 to i32
|
|
ret i32 %2
|
|
}
|
|
|
|
define i32 @icmp_ne_constant_neg_2048(i32 %a) nounwind {
|
|
; RV32I-LABEL: icmp_ne_constant_neg_2048:
|
|
; RV32I: # %bb.0:
|
|
; RV32I-NEXT: addi a1, zero, -2048
|
|
; RV32I-NEXT: xor a0, a0, a1
|
|
; RV32I-NEXT: snez a0, a0
|
|
; RV32I-NEXT: ret
|
|
%1 = icmp ne i32 %a, -2048
|
|
%2 = zext i1 %1 to i32
|
|
ret i32 %2
|
|
}
|
|
|
|
define i32 @icmp_nez(i32 %a) nounwind {
|
|
; RV32I-LABEL: icmp_nez:
|
|
; RV32I: # %bb.0:
|
|
; RV32I-NEXT: snez a0, a0
|
|
; RV32I-NEXT: ret
|
|
%1 = icmp ne i32 %a, 0
|
|
%2 = zext i1 %1 to i32
|
|
ret i32 %2
|
|
}
|
|
|
|
define i32 @icmp_ugt(i32 %a, i32 %b) nounwind {
|
|
; RV32I-LABEL: icmp_ugt:
|
|
; RV32I: # %bb.0:
|
|
; RV32I-NEXT: sltu a0, a1, a0
|
|
; RV32I-NEXT: ret
|
|
%1 = icmp ugt i32 %a, %b
|
|
%2 = zext i1 %1 to i32
|
|
ret i32 %2
|
|
}
|
|
|
|
define i32 @icmp_uge(i32 %a, i32 %b) nounwind {
|
|
; RV32I-LABEL: icmp_uge:
|
|
; RV32I: # %bb.0:
|
|
; RV32I-NEXT: sltu a0, a0, a1
|
|
; RV32I-NEXT: xori a0, a0, 1
|
|
; RV32I-NEXT: ret
|
|
%1 = icmp uge i32 %a, %b
|
|
%2 = zext i1 %1 to i32
|
|
ret i32 %2
|
|
}
|
|
|
|
define i32 @icmp_ult(i32 %a, i32 %b) nounwind {
|
|
; RV32I-LABEL: icmp_ult:
|
|
; RV32I: # %bb.0:
|
|
; RV32I-NEXT: sltu a0, a0, a1
|
|
; RV32I-NEXT: ret
|
|
%1 = icmp ult i32 %a, %b
|
|
%2 = zext i1 %1 to i32
|
|
ret i32 %2
|
|
}
|
|
|
|
define i32 @icmp_ule(i32 %a, i32 %b) nounwind {
|
|
; RV32I-LABEL: icmp_ule:
|
|
; RV32I: # %bb.0:
|
|
; RV32I-NEXT: sltu a0, a1, a0
|
|
; RV32I-NEXT: xori a0, a0, 1
|
|
; RV32I-NEXT: ret
|
|
%1 = icmp ule i32 %a, %b
|
|
%2 = zext i1 %1 to i32
|
|
ret i32 %2
|
|
}
|
|
|
|
define i32 @icmp_sgt(i32 %a, i32 %b) nounwind {
|
|
; RV32I-LABEL: icmp_sgt:
|
|
; RV32I: # %bb.0:
|
|
; RV32I-NEXT: slt a0, a1, a0
|
|
; RV32I-NEXT: ret
|
|
%1 = icmp sgt i32 %a, %b
|
|
%2 = zext i1 %1 to i32
|
|
ret i32 %2
|
|
}
|
|
|
|
define i32 @icmp_sge(i32 %a, i32 %b) nounwind {
|
|
; RV32I-LABEL: icmp_sge:
|
|
; RV32I: # %bb.0:
|
|
; RV32I-NEXT: slt a0, a0, a1
|
|
; RV32I-NEXT: xori a0, a0, 1
|
|
; RV32I-NEXT: ret
|
|
%1 = icmp sge i32 %a, %b
|
|
%2 = zext i1 %1 to i32
|
|
ret i32 %2
|
|
}
|
|
|
|
define i32 @icmp_slt(i32 %a, i32 %b) nounwind {
|
|
; RV32I-LABEL: icmp_slt:
|
|
; RV32I: # %bb.0:
|
|
; RV32I-NEXT: slt a0, a0, a1
|
|
; RV32I-NEXT: ret
|
|
%1 = icmp slt i32 %a, %b
|
|
%2 = zext i1 %1 to i32
|
|
ret i32 %2
|
|
}
|
|
|
|
define i32 @icmp_sle(i32 %a, i32 %b) nounwind {
|
|
; RV32I-LABEL: icmp_sle:
|
|
; RV32I: # %bb.0:
|
|
; RV32I-NEXT: slt a0, a1, a0
|
|
; RV32I-NEXT: xori a0, a0, 1
|
|
; RV32I-NEXT: ret
|
|
%1 = icmp sle i32 %a, %b
|
|
%2 = zext i1 %1 to i32
|
|
ret i32 %2
|
|
}
|
|
|
|
; TODO: check variants with an immediate?
|