File: sse-commute.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (20 lines) | stat: -rw-r--r-- 716 bytes parent folder | download | duplicates (38) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
 
; RUN: llc -mtriple=x86_64-linux < %s | FileCheck %s

; Commute the comparison to avoid a move.
; PR7500.

; CHECK-LABEL: a:
; CHECK-NOT: mov
; CHECK:     pcmpeqd
define <2 x double> @a(<2 x double>, <2 x double>) nounwind readnone {
entry:
  %tmp6 = bitcast <2 x double> %0 to <4 x i32>    ; <<4 x i32>> [#uses=2]
  %tmp4 = bitcast <2 x double> %1 to <4 x i32>    ; <<4 x i32>> [#uses=1]
  %cmp = icmp eq <4 x i32> %tmp6, %tmp4           ; <<4 x i1>> [#uses=1]
  %sext = sext <4 x i1> %cmp to <4 x i32>         ; <<4 x i32>> [#uses=1]
  %and = and <4 x i32> %tmp6, %sext               ; <<4 x i32>> [#uses=1]
  %tmp8 = bitcast <4 x i32> %and to <2 x double>  ; <<2 x double>> [#uses=1]
  ret <2 x double> %tmp8
}