5403c59c60
The LIT test cases were migrated with the script provided by Nikita Popov. Due to the size of the change it is split into several parts. Reviewed By: nemanja, nikic Differential Revision: https://reviews.llvm.org/D135474
47 lines
1.7 KiB
LLVM
47 lines
1.7 KiB
LLVM
; RUN: llc -verify-machineinstrs -mcpu=pwr7 < %s | FileCheck %s
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target datalayout = "E-m:e-i64:64-n32:64"
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target triple = "powerpc64-unknown-linux-gnu"
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%struct.inode.0.12.120 = type { ptr }
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%struct.kstat2.1.13.121 = type { i32 }
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%struct.task_struct.4.16.124 = type { ptr, %struct.atomic_t.2.14.122, ptr }
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%struct.atomic_t.2.14.122 = type { i32 }
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%struct.signal_struct.3.15.123 = type { i64 }
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%struct.pid.5.17.125 = type { ptr }
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; Function Attrs: nounwind
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define signext i32 @proc_task_getattr(ptr nocapture readonly %inode, ptr nocapture %stat) #0 {
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entry:
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%call1.i = tail call ptr @get_pid_task(ptr undef, i32 zeroext 0) #0
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br i1 undef, label %if.end, label %if.then
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if.then: ; preds = %entry
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%0 = load i64, ptr undef, align 8
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%conv.i = trunc i64 %0 to i32
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%1 = load i32, ptr null, align 4
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%add = add i32 %1, %conv.i
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store i32 %add, ptr null, align 4
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%counter.i.i = getelementptr inbounds %struct.task_struct.4.16.124, ptr %call1.i, i64 0, i32 1, i32 0
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%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
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%cmp.i = icmp eq i32 %2, 0
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br i1 %cmp.i, label %if.then.i, label %if.end
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; CHECK-LABEL: @proc_task_getattr
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; CHECK-NOT: stwcx. [[REG:[0-9]+]],0,[[REG]]
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; CHECK: blr
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if.then.i: ; preds = %if.then
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tail call void @foo(ptr %call1.i) #0
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unreachable
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if.end: ; preds = %if.then, %entry
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ret i32 0
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}
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declare void @foo(ptr)
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declare ptr @get_pid_task(ptr, i32 zeroext)
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attributes #0 = { nounwind }
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