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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

128 lines
3.5 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; Test that we are able to generate the Xqcia instructions
; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \
; RUN: | FileCheck %s --check-prefixes=RV32I
; RUN: llc -mtriple=riscv32 -mattr=+xqcia -verify-machineinstrs < %s \
; RUN: | FileCheck %s --check-prefixes=RV32IXQCIA
define i32 @addsat(i32 %a, i32 %b) {
; RV32I-LABEL: addsat:
; RV32I: # %bb.0:
; RV32I-NEXT: mv a2, a0
; RV32I-NEXT: add a0, a0, a1
; RV32I-NEXT: slt a2, a0, a2
; RV32I-NEXT: srli a1, a1, 31
; RV32I-NEXT: beq a1, a2, .LBB0_2
; RV32I-NEXT: # %bb.1:
; RV32I-NEXT: srai a0, a0, 31
; RV32I-NEXT: lui a1, 524288
; RV32I-NEXT: xor a0, a0, a1
; RV32I-NEXT: .LBB0_2:
; RV32I-NEXT: ret
;
; RV32IXQCIA-LABEL: addsat:
; RV32IXQCIA: # %bb.0:
; RV32IXQCIA-NEXT: qc.addsat a0, a0, a1
; RV32IXQCIA-NEXT: ret
%saddsat = tail call i32 @llvm.sadd.sat.i32(i32 %a,i32 %b)
ret i32 %saddsat
}
define i32 @addusat(i32 %a, i32 %b) {
; RV32I-LABEL: addusat:
; RV32I: # %bb.0:
; RV32I-NEXT: add a1, a0, a1
; RV32I-NEXT: sltu a0, a1, a0
; RV32I-NEXT: neg a0, a0
; RV32I-NEXT: or a0, a0, a1
; RV32I-NEXT: ret
;
; RV32IXQCIA-LABEL: addusat:
; RV32IXQCIA: # %bb.0:
; RV32IXQCIA-NEXT: qc.addusat a0, a0, a1
; RV32IXQCIA-NEXT: ret
%uaddsat = tail call i32 @llvm.uadd.sat.i32(i32 %a,i32 %b)
ret i32 %uaddsat
}
define i32 @subsat(i32 %a, i32 %b) {
; RV32I-LABEL: subsat:
; RV32I: # %bb.0:
; RV32I-NEXT: slt a2, a0, a1
; RV32I-NEXT: sub a0, a0, a1
; RV32I-NEXT: srli a1, a0, 31
; RV32I-NEXT: beq a2, a1, .LBB2_2
; RV32I-NEXT: # %bb.1:
; RV32I-NEXT: srai a0, a0, 31
; RV32I-NEXT: lui a1, 524288
; RV32I-NEXT: xor a0, a0, a1
; RV32I-NEXT: .LBB2_2:
; RV32I-NEXT: ret
;
; RV32IXQCIA-LABEL: subsat:
; RV32IXQCIA: # %bb.0:
; RV32IXQCIA-NEXT: qc.subsat a0, a0, a1
; RV32IXQCIA-NEXT: ret
%ssubsat = tail call i32 @llvm.ssub.sat.i32(i32 %a,i32 %b)
ret i32 %ssubsat
}
define i32 @subusat(i32 %a, i32 %b) {
; RV32I-LABEL: subusat:
; RV32I: # %bb.0:
; RV32I-NEXT: sub a1, a0, a1
; RV32I-NEXT: sltu a0, a0, a1
; RV32I-NEXT: addi a0, a0, -1
; RV32I-NEXT: and a0, a0, a1
; RV32I-NEXT: ret
;
; RV32IXQCIA-LABEL: subusat:
; RV32IXQCIA: # %bb.0:
; RV32IXQCIA-NEXT: qc.subusat a0, a0, a1
; RV32IXQCIA-NEXT: ret
%usubsat = tail call i32 @llvm.usub.sat.i32(i32 %a,i32 %b)
ret i32 %usubsat
}
define i32 @shlusat(i32 %a, i32 %b) {
; RV32I-LABEL: shlusat:
; RV32I: # %bb.0:
; RV32I-NEXT: sll a2, a0, a1
; RV32I-NEXT: srl a1, a2, a1
; RV32I-NEXT: xor a0, a0, a1
; RV32I-NEXT: seqz a0, a0
; RV32I-NEXT: addi a0, a0, -1
; RV32I-NEXT: or a0, a0, a2
; RV32I-NEXT: ret
;
; RV32IXQCIA-LABEL: shlusat:
; RV32IXQCIA: # %bb.0:
; RV32IXQCIA-NEXT: qc.shlusat a0, a0, a1
; RV32IXQCIA-NEXT: ret
%ushlsat = tail call i32 @llvm.ushl.sat.i32(i32 %a,i32 %b)
ret i32 %ushlsat
}
define i32 @shlsat(i32 %a, i32 %b) {
; RV32I-LABEL: shlsat:
; RV32I: # %bb.0:
; RV32I-NEXT: mv a2, a0
; RV32I-NEXT: sll a0, a0, a1
; RV32I-NEXT: sra a1, a0, a1
; RV32I-NEXT: beq a2, a1, .LBB5_2
; RV32I-NEXT: # %bb.1:
; RV32I-NEXT: srai a2, a2, 31
; RV32I-NEXT: lui a0, 524288
; RV32I-NEXT: addi a0, a0, -1
; RV32I-NEXT: xor a0, a2, a0
; RV32I-NEXT: .LBB5_2:
; RV32I-NEXT: ret
;
; RV32IXQCIA-LABEL: shlsat:
; RV32IXQCIA: # %bb.0:
; RV32IXQCIA-NEXT: qc.shlsat a0, a0, a1
; RV32IXQCIA-NEXT: ret
%sshlsat = tail call i32 @llvm.sshl.sat.i32(i32 %a,i32 %b)
ret i32 %sshlsat
}