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1; RUN: llc -mcpu=a2 < %s | FileCheck %s -check-prefix=INVFUNCDESC
2; RUN: llc -mcpu=a2 -mattr=-invariant-function-descriptors < %s | FileCheck %s -check-prefix=NONINVFUNCDESC
3target datalayout = "E-m:e-i64:64-n32:64"
4target triple = "powerpc64-unknown-linux-gnu"
5
6; Function Attrs: nounwind
7define void @bar(void (...)* nocapture %x) #0 {
8entry:
9  %callee.knr.cast = bitcast void (...)* %x to void ()*
10  br label %for.body
11
12; INVFUNCDESC-LABEL: @bar
13; INVFUNCDESC-DAG: ld [[REG1:[0-9]+]], 8(3)
14; INVFUNCDESC-DAG: ld [[REG2:[0-9]+]], 16(3)
15; INVFUNCDESC-DAG: ld [[REG3:[0-9]+]], 0(3)
16
17; INVFUNCDESC: %for.body
18; INVFUNCDESC: std 2, 40(1)
19; INVFUNCDESC-DAG: mtctr [[REG3]]
20; INVFUNCDESC-DAG: mr 11, [[REG2]]
21; INVFUNCDESC-DAG: mr 2, [[REG1]]
22; INVFUNCDESC: bctrl
23; INVFUNCDESC-NEXT: ld 2, 40(1)
24
25; NONINVFUNCDESC-LABEL: @bar
26; NONINVFUNCDESC: %for.body
27; NONINVFUNCDESC: std 2, 40(1)
28; NONINVFUNCDESC-DAG: ld 3, 0(30)
29; NONINVFUNCDESC-DAG: ld 11, 16(30)
30; NONINVFUNCDESC-DAG: ld 2, 8(30)
31; NONINVFUNCDESC: mtctr 3
32; NONINVFUNCDESC: bctrl
33; NONINVFUNCDESC-NEXT: ld 2, 40(1)
34
35for.body:                                         ; preds = %for.body, %entry
36  %i.02 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
37  tail call void %callee.knr.cast() #0
38  %inc = add nuw nsw i32 %i.02, 1
39  %exitcond = icmp eq i32 %inc, 1600000000
40  br i1 %exitcond, label %for.end, label %for.body
41
42for.end:                                          ; preds = %for.body
43  ret void
44}
45
46attributes #0 = { nounwind }
47
48