File: zero-remat.ll

package info (click to toggle)
llvm 2.6-9.1
  • links: PTS
  • area: main
  • in suites: squeeze
  • size: 57,604 kB
  • ctags: 44,336
  • sloc: cpp: 344,766; sh: 12,407; ansic: 10,617; ada: 3,070; ml: 2,505; perl: 2,496; makefile: 1,426; pascal: 1,163; exp: 389; asm: 307; python: 298; objc: 260; lisp: 182; csh: 117; xml: 38; f90: 36; tcl: 20
file content (40 lines) | stat: -rw-r--r-- 765 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
38
39
40
 
; RUN: llvm-as < %s | llc -march=x86-64 | FileCheck %s --check-prefix=CHECK-64
; RUN: llvm-as < %s | llc -march=x86-64 -stats  -info-output-file - | grep asm-printer  | grep 12
; RUN: llvm-as < %s | llc -march=x86 | FileCheck %s --check-prefix=CHECK-32

declare void @bar(double %x)
declare void @barf(float %x)

define double @foo() nounwind {

  call void @bar(double 0.0)
  ret double 0.0

;CHECK-32: foo:
;CHECK-32: call
;CHECK-32: fldz
;CHECK-32: ret

;CHECK-64: foo:
;CHECK-64: pxor
;CHECK-64: call
;CHECK-64: pxor
;CHECK-64: ret
}


define float @foof() nounwind {
  call void @barf(float 0.0)
  ret float 0.0

;CHECK-32: foof:
;CHECK-32: call
;CHECK-32: fldz
;CHECK-32: ret

;CHECK-64: foof:
;CHECK-64: pxor
;CHECK-64: call
;CHECK-64: pxor
;CHECK-64: ret
}