File: mulhi.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 (22 lines) | stat: -rw-r--r-- 1,006 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
; RUN: llvm-as < %s | llc -march=arm -mattr=+v6
; RUN: llvm-as < %s | llc -march=arm -mattr=+v6 | \
; RUN:   grep smmul | count 1
; RUN: llvm-as < %s | llc -march=arm | grep umull | count 1

define i32 @smulhi(i32 %x, i32 %y) {
        %tmp = sext i32 %x to i64               ; <i64> [#uses=1]
        %tmp1 = sext i32 %y to i64              ; <i64> [#uses=1]
        %tmp2 = mul i64 %tmp1, %tmp             ; <i64> [#uses=1]
        %tmp3 = lshr i64 %tmp2, 32              ; <i64> [#uses=1]
        %tmp3.upgrd.1 = trunc i64 %tmp3 to i32          ; <i32> [#uses=1]
        ret i32 %tmp3.upgrd.1
}

define i32 @umulhi(i32 %x, i32 %y) {
        %tmp = zext i32 %x to i64               ; <i64> [#uses=1]
        %tmp1 = zext i32 %y to i64              ; <i64> [#uses=1]
        %tmp2 = mul i64 %tmp1, %tmp             ; <i64> [#uses=1]
        %tmp3 = lshr i64 %tmp2, 32              ; <i64> [#uses=1]
        %tmp3.upgrd.2 = trunc i64 %tmp3 to i32          ; <i32> [#uses=1]
        ret i32 %tmp3.upgrd.2
}