File: hwloop-swap.ll

package info (click to toggle)
swiftlang 6.1.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,604 kB
  • sloc: cpp: 9,901,740; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (28 lines) | stat: -rw-r--r-- 772 bytes parent folder | download | duplicates (25) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
 
; RUN: llc -march=hexagon < %s | FileCheck %s

; Test that the hardware loop pass does not alter the comparison
; to use the result from the induction expression instead of
; from the Phi.

; CHECK: cmpb.gtu([[REG0:r[0-9]+]]
; CHECK: [[REG0]] = add([[REG0]],

define void @f0() #0 {
b0:
  br label %b1

b1:                                               ; preds = %b1, %b0
  br i1 undef, label %b1, label %b2

b2:                                               ; preds = %b2, %b1
  %v0 = phi i32 [ %v3, %b2 ], [ undef, %b1 ]
  %v1 = trunc i32 %v0 to i8
  %v2 = icmp ugt i8 %v1, 44
  %v3 = add i32 %v0, -30
  br i1 %v2, label %b2, label %b3

b3:                                               ; preds = %b2
  ret void
}

attributes #0 = { nounwind "target-cpu"="hexagonv55" }