File: and_sra.ll

package info (click to toggle)
llvm 2.2-12
  • links: PTS, VCS
  • area: main
  • in suites: lenny
  • size: 38,648 kB
  • ctags: 28,258
  • sloc: cpp: 215,479; sh: 12,132; ansic: 10,002; yacc: 5,525; perl: 2,352; ml: 1,580; makefile: 956; pascal: 718; lex: 602; exp: 320; ada: 193; lisp: 160; csh: 116; objc: 59; python: 59; tcl: 20
file content (26 lines) | stat: -rw-r--r-- 1,158 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
; Neither of these functions should contain algebraic right shifts
; RUN: llvm-upgrade < %s | llvm-as | llc -march=ppc32 | not grep srawi 

int %test1(uint %mode.0.i.0) {
        %tmp.79 = cast uint %mode.0.i.0 to int        ; <sbyte> [#uses=1]
        %tmp.80 = shr int %tmp.79, ubyte 15           ; <int> [#uses=1]
        %tmp.81 = and int %tmp.80, 24             ; <int> [#uses=1]
        ret int %tmp.81
}

int %test2(uint %mode.0.i.0) {
        %tmp.79 = cast uint %mode.0.i.0 to int        ; <sbyte> [#uses=1]
        %tmp.80 = shr int %tmp.79, ubyte 15           ; <int> [#uses=1]
        %tmp.81 = shr uint %mode.0.i.0, ubyte 16
        %tmp.82 = cast uint %tmp.81 to int
        %tmp.83 = and int %tmp.80, %tmp.82             ; <int> [#uses=1]
        ret int %tmp.83
}

uint %test3(int %specbits.6.1) {
        %tmp.2540 = shr int %specbits.6.1, ubyte 11             ; <int> [#uses=1]
        %tmp.2541 = cast int %tmp.2540 to uint          ; <uint> [#uses=1]
        %tmp.2542 = shl uint %tmp.2541, ubyte 13                ; <uint> [#uses=1]
        %tmp.2543 = and uint %tmp.2542, 8192            ; <uint> [#uses=1]
        ret uint %tmp.2543
}