30 lines
978 B
LLVM
30 lines
978 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=i686-- -tailcallopt | FileCheck %s
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; Bug 4396. This tail call can NOT be optimized.
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declare fastcc i8* @_D3gcx2GC12mallocNoSyncMFmkZPv() nounwind
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define fastcc i8* @_D3gcx2GC12callocNoSyncMFmkZPv() nounwind {
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; CHECK-LABEL: _D3gcx2GC12callocNoSyncMFmkZPv:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: pushl %esi
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; CHECK-NEXT: calll _D3gcx2GC12mallocNoSyncMFmkZPv
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; CHECK-NEXT: movl %eax, %esi
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; CHECK-NEXT: pushl $0
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; CHECK-NEXT: pushl $2
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; CHECK-NEXT: pushl $0
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; CHECK-NEXT: pushl %eax
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; CHECK-NEXT: calll memset
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; CHECK-NEXT: addl $16, %esp
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; CHECK-NEXT: movl %esi, %eax
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; CHECK-NEXT: popl %esi
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; CHECK-NEXT: retl
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entry:
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%tmp6 = tail call fastcc i8* @_D3gcx2GC12mallocNoSyncMFmkZPv() ; <i8*> [#uses=2]
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%tmp9 = tail call i8* @memset(i8* %tmp6, i32 0, i64 2) ; <i8*> [#uses=0]
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ret i8* %tmp6
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}
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declare i8* @memset(i8*, i32, i64)
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