llvm-project/llvm/test/CodeGen/RISCV/imm.ll

64 lines
1.4 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
; Materializing constants
define i32 @zero() nounwind {
; RV32I-LABEL: zero:
; RV32I: # %bb.0:
; RV32I-NEXT: mv a0, zero
; RV32I-NEXT: ret
ret i32 0
}
define i32 @pos_small() nounwind {
; RV32I-LABEL: pos_small:
; RV32I: # %bb.0:
; RV32I-NEXT: addi a0, zero, 2047
; RV32I-NEXT: ret
ret i32 2047
}
define i32 @neg_small() nounwind {
; RV32I-LABEL: neg_small:
; RV32I: # %bb.0:
; RV32I-NEXT: addi a0, zero, -2048
; RV32I-NEXT: ret
ret i32 -2048
}
define i32 @pos_i32() nounwind {
; RV32I-LABEL: pos_i32:
; RV32I: # %bb.0:
; RV32I-NEXT: lui a0, 423811
; RV32I-NEXT: addi a0, a0, -1297
; RV32I-NEXT: ret
ret i32 1735928559
}
define i32 @neg_i32() nounwind {
; RV32I-LABEL: neg_i32:
; RV32I: # %bb.0:
; RV32I-NEXT: lui a0, 912092
; RV32I-NEXT: addi a0, a0, -273
; RV32I-NEXT: ret
ret i32 -559038737
}
define i32 @pos_i32_hi20_only() nounwind {
; RV32I-LABEL: pos_i32_hi20_only:
; RV32I: # %bb.0:
; RV32I-NEXT: lui a0, 16
; RV32I-NEXT: ret
ret i32 65536
}
define i32 @neg_i32_hi20_only() nounwind {
; RV32I-LABEL: neg_i32_hi20_only:
; RV32I: # %bb.0:
; RV32I-NEXT: lui a0, 1048560
; RV32I-NEXT: ret
ret i32 -65536
}