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llvm-mirror/test/Verifier/inalloca-vararg.ll
Reid Kleckner 395f9ebf2a Add an inalloca flag to allocas
Summary:
The only current use of this flag is to mark the alloca as dynamic, even
if its in the entry block.  The stack adjustment for the alloca can
never be folded into the prologue because the call may clear it and it
has to be allocated at the top of the stack.

Reviewers: majnemer

CC: llvm-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D2571

llvm-svn: 199525
2014-01-17 23:58:17 +00:00

10 lines
253 B
LLVM
Executable File

; RUN: not llvm-as %s -o /dev/null 2>&1 | FileCheck %s
declare void @h(i32, ...)
define void @i() {
%args = alloca i32, inalloca
call void (i32, ...)* @h(i32 1, i32* inalloca %args, i32 3)
; CHECK: inalloca isn't on the last argument!
ret void
}