File: pr14161.ll

package info (click to toggle)
llvm-toolchain-3.5 1%3A3.5.2-3~bpo8%2B2
  • links: PTS, VCS
  • area: main
  • in suites: jessie-backports
  • size: 283,276 kB
  • sloc: cpp: 1,884,580; ansic: 310,787; objc: 86,612; python: 79,608; asm: 65,866; sh: 9,829; makefile: 6,068; perl: 5,589; ml: 5,254; pascal: 3,285; lisp: 1,640; xml: 686; cs: 239; csh: 117
file content (38 lines) | stat: -rw-r--r-- 1,190 bytes parent folder | download | duplicates (3)
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
38
; RUN: llc < %s -mtriple=x86_64-linux-pc -mcpu=corei7 | FileCheck %s

declare <4 x i32> @llvm.x86.sse41.pminud(<4 x i32>, <4 x i32>)

define <2 x i16> @good(<4 x i32>*, <4 x i8>*) {
entry:
  %2 = load <4 x i32>* %0, align 16
  %3 = call <4 x i32> @llvm.x86.sse41.pminud(<4 x i32> %2, <4 x i32> <i32 127, i32 127, i32 127, i32 127>)
  %4 = extractelement <4 x i32> %3, i32 0
  %5 = extractelement <4 x i32> %3, i32 1
  %6 = extractelement <4 x i32> %3, i32 2
  %7 = extractelement <4 x i32> %3, i32 3
  %8 = bitcast i32 %4 to <2 x i16>
  %9 = bitcast i32 %5 to <2 x i16>
  ret <2 x i16> %8
; CHECK: good
; CHECK: pminud
; CHECK-NEXT: pmovzxwq
; CHECK: ret
}

define <2 x i16> @bad(<4 x i32>*, <4 x i8>*) {
entry:
  %2 = load <4 x i32>* %0, align 16
  %3 = call <4 x i32> @llvm.x86.sse41.pminud(<4 x i32> %2, <4 x i32> <i32 127, i32 127, i32 127, i32 127>)
  %4 = extractelement <4 x i32> %3, i32 0
  %5 = extractelement <4 x i32> %3, i32 1
  %6 = extractelement <4 x i32> %3, i32 2
  %7 = extractelement <4 x i32> %3, i32 3
  %8 = bitcast i32 %4 to <2 x i16>
  %9 = bitcast i32 %5 to <2 x i16>
  ret <2 x i16> %9
; CHECK: bad
; CHECK: pminud
; CHECK: pextrd
; CHECK: pmovzxwq
; CHECK: ret
}