File: coalescer-commute2.ll

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (28 lines) | stat: -rw-r--r-- 1,043 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
21
22
23
24
25
26
27
28
; RUN: llc < %s -mtriple=x86_64-linux -mcpu=nehalem | FileCheck %s
; CHECK-NOT:     mov
; CHECK:     paddw
; CHECK-NOT:     mov
; CHECK:     paddw
; CHECK-NOT:     paddw
; CHECK-NOT:     mov

; The 2-addr pass should ensure that identical code is produced for these functions
; no extra copy should be generated.

define <2 x i64> @test1(<2 x i64> %x, <2 x i64> %y) nounwind  {
entry:
	%tmp6 = bitcast <2 x i64> %y to <8 x i16>		; <<8 x i16>> [#uses=1]
	%tmp8 = bitcast <2 x i64> %x to <8 x i16>		; <<8 x i16>> [#uses=1]
	%tmp9 = add <8 x i16> %tmp8, %tmp6		; <<8 x i16>> [#uses=1]
	%tmp10 = bitcast <8 x i16> %tmp9 to <2 x i64>		; <<2 x i64>> [#uses=1]
	ret <2 x i64> %tmp10
}

define <2 x i64> @test2(<2 x i64> %x, <2 x i64> %y) nounwind  {
entry:
	%tmp6 = bitcast <2 x i64> %x to <8 x i16>		; <<8 x i16>> [#uses=1]
	%tmp8 = bitcast <2 x i64> %y to <8 x i16>		; <<8 x i16>> [#uses=1]
	%tmp9 = add <8 x i16> %tmp8, %tmp6		; <<8 x i16>> [#uses=1]
	%tmp10 = bitcast <8 x i16> %tmp9 to <2 x i64>		; <<2 x i64>> [#uses=1]
	ret <2 x i64> %tmp10
}