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" 4 5 %struct.inode.0.12.120 = type { i8* } 6 %struct.kstat2.1.13.121 = type { i32 } 7 %struct.task_struct.4.16.124 = type { i8*, %struct.atomic_t.2.14.122, %struct.signal_struct.3.15.123* } 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 { i8* } 11 12 ; Function Attrs: nounwind 13 define signext i32 @proc_task_getattr(%struct.inode.0.12.120* nocapture readonly %inode, %struct.kstat2.1.13.121* nocapture %stat) #0 { 14 entry: 15 %call1.i = tail call %struct.task_struct.4.16.124* @get_pid_task(%struct.pid.5.17.125* undef, i32 zeroext 0) #0 16 br i1 undef, label %if.end, label %if.then 17 18 if.then: ; preds = %entry 19 %0 = load i64, i64* undef, align 8 20 %conv.i = trunc i64 %0 to i32 21 %1 = load i32, i32* null, align 4 22 %add = add i32 %1, %conv.i 23 store i32 %add, i32* null, align 4 24 %counter.i.i = getelementptr inbounds %struct.task_struct.4.16.124, %struct.task_struct.4.16.124* %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}"(i32* %counter.i.i) #0 26 %cmp.i = icmp eq i32 %2, 0 27 br i1 %cmp.i, label %if.then.i, label %if.end 28 29 ; CHECK-LABEL: @proc_task_getattr 30 ; CHECK-NOT: stwcx. [[REG:[0-9]+]],0,[[REG]] 31 ; CHECK: blr 32 33 if.then.i: ; preds = %if.then 34 %3 = bitcast %struct.task_struct.4.16.124* %call1.i to i8* 35 tail call void @foo(i8* %3) #0 36 unreachable 37 38 if.end: ; preds = %if.then, %entry 39 ret i32 0 40 } 41 42 declare void @foo(i8*) 43 44 declare %struct.task_struct.4.16.124* @get_pid_task(%struct.pid.5.17.125*, i32 zeroext) 45 46 attributes #0 = { nounwind } 47 48
