File: bit-extract-off.ll

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (25 lines) | stat: -rw-r--r-- 853 bytes parent folder | download | duplicates (4) 
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
 
; RUN: llc -march=hexagon -verify-machineinstrs < %s | FileCheck %s
; CHECK: extractu(r1,#31,#0)

; In the IR this was an extract of 31 bits starting at position 32 in r1:0.
; When mapping it to an extract from r1, the offset was not reset to 0, and
; we had "extractu(r1,#31,#32)".

target triple = "hexagon"

@g0 = global double zeroinitializer, align 8

define hidden i32 @fred([101 x double]* %a0, i32 %a1, i32* %a2, i32* %a3) #0 {
b4:
  br label %b5

b5:                                               ; preds = %b5, %b4
  %v6 = call double @fabs(double undef) #1
  store double %v6, double* @g0, align 8
  br label %b5
}

declare double @fabs(double) #1

attributes #0 = { nounwind "target-cpu"="hexagonv60" "target-features"="-hvx,-long-calls" }
attributes #1 = { nounwind readnone "target-cpu"="hexagonv60" "target-features"="-hvx,-long-calls" }