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