File: select-use-sr.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.8-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,696 kB
  • sloc: cpp: 7,438,781; ansic: 1,393,871; asm: 1,012,926; python: 241,771; f90: 86,635; objc: 75,411; lisp: 42,144; pascal: 17,286; sh: 8,596; ml: 5,082; perl: 4,730; makefile: 3,591; awk: 3,523; javascript: 2,251; xml: 892; fortran: 672
file content (21 lines) | stat: -rw-r--r-- 460 bytes parent folder | download | duplicates (7) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
 
; RUN: llc < %s -mtriple=msp430 | FileCheck %s
; PR32769

target triple = "msp430"

; Test that CMP instruction is not removed by MachineCSE.
;
; CHECK-LABEL: @f
; CHECK: cmp r15, r13
; CHECK: cmp r15, r13
; CHECK-NEXT: jeq .LBB0_2
define i16 @f(i16, i16, i16, i16) {
entry:
  %4 = icmp ult i16 %1, %3
  %5 = zext i1 %4 to i16
  %6 = icmp ult i16 %0, %2
  %7 = zext i1 %6 to i16
  %8 = icmp eq i16 %1, %3
  %out = select i1 %8, i16 %5, i16 %7
  ret i16 %out
}