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llvm-mirror/test/Transforms/InstCombine/ashr-nop.ll
Dan Gohman 1197d46ccf Fix a ValueTracking rule: RHS means operand 1, not 0. Add a simple
ashr instcombine to help expose this code. And apply the fix to
SelectionDAG's copy of this code too.

llvm-svn: 65364
2009-02-24 02:00:40 +00:00

9 lines
174 B
LLVM

; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep ashr
define i32 @foo(i32 %x) {
%o = and i32 %x, 1
%n = add i32 %o, -1
%t = ashr i32 %n, 17
ret i32 %t
}