File: JavaCompare.ll

package info (click to toggle)
llvm-toolchain-5.0 1:5.0.1-2~bpo9+1
  • links: PTS, VCS
  • area: main
  • in suites: stretch-backports
  • size: 553,688 kB
  • sloc: cpp: 2,878,786; ansic: 584,110; asm: 246,252; python: 124,751; objc: 106,925; sh: 21,542; lisp: 8,628; pascal: 5,885; ml: 5,544; perl: 5,312; makefile: 2,208; cs: 2,022; xml: 686; php: 212; csh: 117
file content (14 lines) | stat: -rw-r--r-- 611 bytes parent folder | download | duplicates (25)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
; This is the sequence of stuff that the Java front-end expands for a single 
; <= comparison.  Check to make sure we turn it into a <= (only)

; RUN: opt < %s -instcombine -S | grep "icmp sle i32 %A, %B"

define i1 @le(i32 %A, i32 %B) {
        %c1 = icmp sgt i32 %A, %B               ; <i1> [#uses=1]
        %tmp = select i1 %c1, i32 1, i32 0              ; <i32> [#uses=1]
        %c2 = icmp slt i32 %A, %B               ; <i1> [#uses=1]
        %result = select i1 %c2, i32 -1, i32 %tmp               ; <i32> [#uses=1]
        %c3 = icmp sle i32 %result, 0           ; <i1> [#uses=1]
        ret i1 %c3
}