1 ; RUN: llc -verify-machineinstrs -mcpu=pwr7 < %s | FileCheck %s
2 target datalayout = "E-m:e-i64:64-n32:64"
3 target triple = "powerpc64-unknown-linux-gnu"
5 %struct.inode.0.12.120 = type { ptr }
6 %struct.kstat2.1.13.121 = type { i32 }
7 %struct.task_struct.4.16.124 = type { ptr, %struct.atomic_t.2.14.122, ptr }
8 %struct.atomic_t.2.14.122 = type { i32 }
9 %struct.signal_struct.3.15.123 = type { i64 }
10 %struct.pid.5.17.125 = type { ptr }
12 ; Function Attrs: nounwind
13 define signext i32 @proc_task_getattr(ptr nocapture readonly %inode, ptr nocapture %stat) #0 {
15 %call1.i = tail call ptr @get_pid_task(ptr undef, i32 zeroext 0) #0
16 br i1 undef, label %if.end, label %if.then
18 if.then: ; preds = %entry
19 %0 = load i64, ptr undef, align 8
20 %conv.i = trunc i64 %0 to i32
21 %1 = load i32, ptr null, align 4
22 %add = add i32 %1, %conv.i
23 store i32 %add, ptr null, align 4
24 %counter.i.i = getelementptr inbounds %struct.task_struct.4.16.124, ptr %call1.i, i64 0, i32 1, i32 0
25 %2 = tail call i32 asm sideeffect "\09lwsync\0A1:\09lwarx\09$0,0,$1\09\09# atomic_dec_return\0A\09addic\09$0,$0,-1\0A\09stwcx.\09$0,0,$1\0A\09bne-\091b\0A\09sync\0A", "=&r,r,~{cr0},~{xer},~{memory}"(ptr %counter.i.i) #0
26 %cmp.i = icmp eq i32 %2, 0
27 br i1 %cmp.i, label %if.then.i, label %if.end
29 ; CHECK-LABEL: @proc_task_getattr
30 ; CHECK-NOT: stwcx. [[REG:[0-9]+]],0,[[REG]]
33 if.then.i: ; preds = %if.then
34 tail call void @foo(ptr %call1.i) #0
37 if.end: ; preds = %if.then, %entry
41 declare void @foo(ptr)
43 declare ptr @get_pid_task(ptr, i32 zeroext)
45 attributes #0 = { nounwind }