File: dont_rotate_pregs_at_O2.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (30 lines) | stat: -rw-r--r-- 719 bytes parent folder | download | duplicates (15) 
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
29
30
 
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -march=hexagon -O2 < %s | FileCheck %s

define i32 @f0(i32 %a0, i32 %a1) #0 {
; CHECK-LABEL: f0:
; CHECK:         .cfi_startproc
; CHECK-NEXT:  // %bb.0: // %b0
; CHECK-NEXT:    {
; CHECK-NEXT:     p0 = cmp.gt(r1,#99)
; CHECK-NEXT:     p1 = cmp.gt(r1,r0)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     r0 = mux(p0,##321,#123)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     if (p1) r0 = #0
; CHECK-NEXT:     jumpr r31
; CHECK-NEXT:    }
b0:
  %v0 = icmp slt i32 %a0, %a1
  br i1 %v0, label %b1, label %b2

b1:
  ret i32 0

b2:
  %v1 = icmp slt i32 %a1, 100
  %v2 = select i1 %v1, i32 123, i32 321
  ret i32 %v2
}