File: cc.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 1,998,492 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 (70 lines) | stat: -rw-r--r-- 1,534 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
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
; RUN: llc -verify-machineinstrs -mcpu=pwr7 < %s | FileCheck %s
target datalayout = "E-m:e-i64:64-n32:64"
target triple = "powerpc64-unknown-linux-gnu"

define i64 @test1(i64 %a, i64 %b) {
entry:
  %c = icmp eq i64 %a, %b
  br label %foo

foo:
  call { i64, i64 } asm sideeffect "sc", "={r0},={r3},{r0},~{cr0},~{cr1},~{cr2},~{cr3},~{cr4},~{cr5},~{cr6},~{cr7}" (i64 %a)
  br i1 %c, label %bar, label %end

bar:
  ret i64 %b

end:
  ret i64 %a

; CHECK-LABEL: @test1
; CHECK: cmpd
; CHECK-DAG: mfcr [[REG1:[0-9]+]]
; CHECK-DAG: mfocrf [[REG2:[0-9]+]],
; CHECK-DAG: stw [[REG1]], 8(1)
; CHECK-DAG: stw [[REG2]], -4(1)

; CHECK: sc
; CHECK: lwz [[REG3:[0-9]+]], -4(1)
; CHECK: mtocrf 128, [[REG3]]

; CHECK: lwz [[REG4:[0-9]+]], 8(1)
; CHECK-DAG: mtocrf 32, [[REG4]]
; CHECK-DAG: mtocrf 16, [[REG4]]
; CHECK-DAG: mtocrf 8, [[REG4]]
; CHECK: blr
}

define i64 @test2(i64 %a, i64 %b) {
entry:
  %c = icmp eq i64 %a, %b
  br label %foo

foo:
  call { i64, i64 } asm sideeffect "sc", "={r0},={r3},{r0},~{cc},~{cr1},~{cr2},~{cr3},~{cr4},~{cr5},~{cr6},~{cr7}" (i64 %a)
  br i1 %c, label %bar, label %end

bar:
  ret i64 %b

end:
  ret i64 %a

; CHECK-LABEL: @test2
; CHECK: cmpd
; CHECK-DAG: mfcr [[REG1:[0-9]+]]
; CHECK-DAG: mfocrf [[REG2:[0-9]+]],
; CHECK-DAG: stw [[REG1]], 8(1)
; CHECK-DAG: stw [[REG2]], -4(1)

; CHECK: sc
; CHECK: lwz [[REG3:[0-9]+]], -4(1)
; CHECK: mtocrf 128, [[REG3]]

; CHECK: lwz [[REG4:[0-9]+]], 8(1)
; CHECK-DAG: mtocrf 32, [[REG4]]
; CHECK-DAG: mtocrf 16, [[REG4]]
; CHECK-DAG: mtocrf 8, [[REG4]]
; CHECK: blr
}