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24 lines
903 B
LLVM
24 lines
903 B
LLVM
; RUN: llc < %s -tailcallopt -march=x86-64 -post-RA-scheduler=true | FileCheck %s
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; Check that lowered arguments on the stack do not overwrite each other.
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; Add %in1 %p1 to a different temporary register (%eax).
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; CHECK: movl %edi, %eax
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; Move param %in1 to temp register (%r10d).
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; CHECK: movl 40(%rsp), %r10d
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; Move param %in2 to stack.
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; CHECK: movl %r10d, 32(%rsp)
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; Move result of addition to stack.
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; CHECK: movl %eax, 40(%rsp)
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; Eventually, do a TAILCALL
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; CHECK: TAILCALL
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declare fastcc i32 @tailcallee(i32 %p1, i32 %p2, i32 %p3, i32 %p4, i32 %p5, i32 %p6, i32 %a, i32 %b) nounwind
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define fastcc i32 @tailcaller(i32 %p1, i32 %p2, i32 %p3, i32 %p4, i32 %p5, i32 %p6, i32 %in1, i32 %in2) nounwind {
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entry:
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%tmp = add i32 %in1, %p1
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%retval = tail call fastcc i32 @tailcallee(i32 %p1, i32 %p2, i32 %p3, i32 %p4, i32 %p5, i32 %p6, i32 %in2,i32 %tmp)
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ret i32 %retval
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}
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