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llvm-6502/test/Assembler/2009-03-24-ZextConstantExpr.ll
Chris Lattner ad9ad7c827 Fix a bug in our autoupgrade support: in an argument list to a function
call, we should treat "i64 zext" as the start of a constant expr, but
"i64 0 zext" as an argument with an obsolete attribute on it (this form
is already tested by test/Assembler/2007-07-30-AutoUpgradeZextSext.ll).

Make the autoupgrade logic more discerning to avoid treating "i64 zext"
as an old-style attribute, causing us to reject a valid constant expr.
This fixes PR3876.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67682 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-25 06:36:36 +00:00

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253 B
LLVM

; RUN: llvm-as < %s | llvm-dis
; PR3876
@gdtr = external global [0 x i8]
define void @test() {
call zeroext i1 @paging_map(i64 zext (i32 and (i32 ptrtoint ([0 x i8]* @gdtr to i32), i32 -4096) to i64))
ret void
}
declare zeroext i1 @paging_map(i64)