File: mulhi.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 (23 lines) | stat: -rw-r--r-- 1,040 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
; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm -mattr=+v6
; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm -mattr=+v6 | \
; RUN:   grep smmul | count 1
; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm | grep umull | count 1

int %smulhi(int %x, int %y) {
        %tmp = cast int %x to ulong             ; <ulong> [#uses=1]
        %tmp1 = cast int %y to ulong            ; <ulong> [#uses=1]
        %tmp2 = mul ulong %tmp1, %tmp           ; <ulong> [#uses=1]
        %tmp3 = shr ulong %tmp2, ubyte 32               ; <ulong> [#uses=1]
        %tmp3 = cast ulong %tmp3 to int         ; <int> [#uses=1]
        ret int %tmp3
}

int %umulhi(uint %x, uint %y) {
        %tmp = cast uint %x to ulong            ; <ulong> [#uses=1]
        %tmp1 = cast uint %y to ulong           ; <ulong> [#uses=1]
        %tmp2 = mul ulong %tmp1, %tmp           ; <ulong> [#uses=1]
        %tmp3 = shr ulong %tmp2, ubyte 32               ; <ulong> [#uses=1]
        %tmp3 = cast ulong %tmp3 to int         ; <int> [#uses=1]
        ret int %tmp3
}