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llvm-mirror/test/Analysis/ScalarEvolution/2009-07-04-GroupConstantsWidthMismatch.ll
Nick Lewycky d9573d899d When comparing constants, consider a less wide constant to be "less complex"
than a wider one, before trying to compare their contents which will crash
if their sizes are different.

llvm-svn: 74792
2009-07-04 17:24:52 +00:00

17 lines
386 B
LLVM

; RUN: llvm-as < %s | opt -analyze -scalar-evolution
; PR4501
define void @test() {
entry:
%0 = load i16* undef, align 1
%1 = lshr i16 %0, 8
%2 = and i16 %1, 3
%3 = zext i16 %2 to i32
%4 = load i8* undef, align 1
%5 = lshr i8 %4, 4
%6 = and i8 %5, 1
%7 = zext i8 %6 to i32
%t1 = add i32 %3, %7
ret void
}