File: tfr-to-combine.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (38 lines) | stat: -rw-r--r-- 801 bytes parent folder | download | duplicates (8) 
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
31
32
33
34
35
36
37
38
 
; RUN: llc -march=hexagon -mcpu=hexagonv5  -O3 -disable-hsdr < %s | FileCheck %s

; Check that we combine TFRs and TFRIs into COMBINEs.

@a = external global i16
@b = external global i16
@c = external global i16

declare void @test0a(i32, i32) #0
declare void @test0b(i32, i32, i32, i32) #0

; CHECK-LABEL: test1:
; CHECK: combine(#10,#0)
define i32 @test1() #0 {
entry:
  call void @test0a(i32 0, i32 10) #0
  ret i32 10
}

; CHECK-LABEL: test2:
; CHECK: combine(#0,r{{[0-9]+}})
define i32 @test2() #0 {
entry:
  %t0 = load i16, ptr @c, align 2
  %t1 = zext i16 %t0 to i32
  call void @test0b(i32 %t1, i32 0, i32 %t1, i32 0)
  ret i32 0
}

; CHECK-LABEL: test3:
; CHECK: combine(#0,#100)
define i32 @test3() #0 {
entry:
  call void @test0a(i32 100, i32 0)
  ret i32 0
}

attributes #0 = { nounwind }