File: integer-mul-sat.ll

package info (click to toggle)
intel-graphics-compiler2 2.28.4-4
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 792,744 kB
  • sloc: cpp: 5,761,745; ansic: 466,928; lisp: 312,143; python: 114,790; asm: 44,736; pascal: 10,930; sh: 8,033; perl: 7,914; ml: 3,625; awk: 3,523; yacc: 2,747; javascript: 2,667; lex: 1,898; f90: 1,028; cs: 573; xml: 474; makefile: 344; objc: 162
file content (37 lines) | stat: -rw-r--r-- 1,620 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
;=========================== begin_copyright_notice ============================
;
; Copyright (C) 2020-2025 Intel Corporation
;
; SPDX-License-Identifier: MIT
;
;============================ end_copyright_notice =============================

; RUN: %opt %use_old_pass_manager% -GenXLowering -march=genx64 -mcpu=XeHPG -mattr=-mul_ddq -mtriple=spir64-unknown-unknown -S < %s | FileCheck %s
; RUN: %opt %use_old_pass_manager% -GenXLowering -march=genx64 -mcpu=XeHPG -mattr=+mul_ddq -mtriple=spir64-unknown-unknown -S < %s | FileCheck --check-prefix=UseMulDDQ %s

declare i32 @llvm.genx.ssmul.sat.i32.i32(i32, i32)
declare i32 @llvm.genx.uumul.sat.i32.i32(i32, i32)

; CHECK-LABEL: testi32s
; UseMulDDQ-LABEL: testi32s
define internal spir_func void @testi32s(i32 %op1, i32 %op2) {
; CHECK: call <16 x i32> @llvm.genx.smadw.v16i32.v1i32
; CHECK-NOT: mul <1 x i64>
; CHECK: %res.sat = call i32 @llvm.genx.sstrunc.sat.i32.i64(i64 %res1.recast)
; UseMulDDQ: call i64 @llvm.genx.ssmul.i64.i32
; UseMulDDQ: %res.sat = call i32 @llvm.genx.sstrunc.sat.i32.i64(i64 %res1)
  %res = call i32 @llvm.genx.ssmul.sat.i32.i32(i32 %op1, i32 %op2)
  ret void
}

; CHECK-LABEL: testi32u
; UseMulDDQ-LABEL: testi32u
define internal spir_func void @testi32u(i32 %op1, i32 %op2) {
; CHECK: call <16 x i32> @llvm.genx.umadw.v16i32.v1i32
; CHECK-NOT: mul <1 x i64>
; CHECK: %res.sat = call i32 @llvm.genx.uutrunc.sat.i32.i64(i64 %res1.recast)
; UseMulDDQ: call i64 @llvm.genx.uumul.i64.i32
; UseMulDDQ: %res.sat = call i32 @llvm.genx.uutrunc.sat.i32.i64(i64 %res1)
  %res = call i32 @llvm.genx.uumul.sat.i32.i32(i32 %op1, i32 %op2)
  ret void
}