File: thumb2-mulhi.ll

package info (click to toggle)
llvm-2.7 2.7-6
  • links: PTS
  • area: main
  • in suites: squeeze
  • size: 59,992 kB
  • ctags: 49,499
  • sloc: cpp: 373,792; ansic: 16,885; sh: 12,614; asm: 6,809; ada: 3,083; ml: 2,942; python: 2,671; perl: 2,404; makefile: 1,691; pascal: 1,235; exp: 399; objc: 291; lisp: 184; csh: 117; xml: 38; f90: 36
file content (20 lines) | stat: -rw-r--r-- 950 bytes parent folder | download | duplicates (2) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
 
; RUN: llc < %s -march=thumb -mattr=+thumb2 | grep smmul | count 1
; RUN: llc < %s -march=thumb -mattr=+thumb2 | 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
}