2007-04-04 18:11:23 +02:00
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; In the presence of a negative offset (the -8 below), a fold of a bitcast into
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; a malloc messes up the element count, causing an extra 4GB to be allocated on
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; 64-bit targets.
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;
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2009-09-11 20:01:28 +02:00
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; RUN: opt < %s -instcombine -S | not grep {= add }
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2007-04-04 18:11:23 +02:00
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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"
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target triple = "x86_64-unknown-freebsd6.2"
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define i1 @test(i32 %tmp141, double** %tmp145)
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{
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%tmp133 = add i32 %tmp141, 1
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%tmp134 = shl i32 %tmp133, 3
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%tmp135 = add i32 %tmp134, -8
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%tmp136 = malloc i8, i32 %tmp135
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%tmp137 = bitcast i8* %tmp136 to double*
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store double* %tmp137, double** %tmp145
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ret i1 false
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}
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