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; RUN: llc -mtriple=x86_64-unknown-linux-gnu -o - %s | FileCheck %s
; A lifetime end intrinsic should not prevent a call from being tail call
; optimized.
define void @foobar() {
; CHECK-LABEL: foobar
; CHECK: pushq %rax
; CHECK: leaq 4(%rsp), %rdi
; CHECK: callq foo
; CHECK: popq %rax
; CHECK: jmp bar
entry:
%i = alloca i32
%0 = bitcast i32* %i to i8*
call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull %0)
call void @foo(i32* nonnull %i)
tail call void @bar()
call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull %0)
ret void
}
declare void @foo(i32* nocapture %p)
declare void @bar()
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture)
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture)
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