llvm-6502/test/Transforms/InstCombine/2007-04-04-BadFoldBitcastIntoMalloc.ll
Dan Gohman b1e1e82c54 Change these tests to feed the assembly files to opt directly, instead
of using llvm-as, now that opt supports this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81226 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-08 16:50:01 +00:00

20 lines
694 B
LLVM

; In the presence of a negative offset (the -8 below), a fold of a bitcast into
; a malloc messes up the element count, causing an extra 4GB to be allocated on
; 64-bit targets.
;
; RUN: opt %s -instcombine | llvm-dis | not grep {= add }
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64"
target triple = "x86_64-unknown-freebsd6.2"
define i1 @test(i32 %tmp141, double** %tmp145)
{
%tmp133 = add i32 %tmp141, 1
%tmp134 = shl i32 %tmp133, 3
%tmp135 = add i32 %tmp134, -8
%tmp136 = malloc i8, i32 %tmp135
%tmp137 = bitcast i8* %tmp136 to double*
store double* %tmp137, double** %tmp145
ret i1 false
}