File: bc-extract.ll

package info (click to toggle)
llvm-toolchain-3.5 1%3A3.5-10
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 282,028 kB
  • ctags: 310,872
  • sloc: cpp: 1,883,926; ansic: 310,731; objc: 86,612; python: 79,565; asm: 65,844; sh: 9,829; makefile: 6,057; perl: 5,589; ml: 5,254; pascal: 3,285; lisp: 1,640; xml: 686; cs: 239; csh: 117
file content (27 lines) | stat: -rw-r--r-- 691 bytes parent folder | download | duplicates (9)
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
; RUN: llc < %s -march=x86-64 -mattr=+sse4.2 |  FileCheck %s


define float @extractFloat1() nounwind {
entry:
  ; CHECK: 1065353216
  %tmp0 = bitcast <1 x double> <double 0x000000003F800000> to <2 x float>
  %tmp1 = extractelement <2 x float> %tmp0, i32 0 
  ret float %tmp1
}

define float @extractFloat2() nounwind {
entry:
  ; CHECK: xorps	%xmm0, %xmm0
  %tmp4 = bitcast <1 x double> <double 0x000000003F800000> to <2 x float>
  %tmp5 = extractelement <2 x float> %tmp4, i32 1
  ret float %tmp5
}

define i32 @extractInt2() nounwind {
entry:
  ; CHECK: xorl	%eax, %eax
  %tmp4 = bitcast <1 x i64> <i64 256> to <2 x i32>
  %tmp5 = extractelement <2 x i32> %tmp4, i32 1
  ret i32 %tmp5
}