llvm-project/llvm/test/Transforms/InstCombine/udiv-simplify-bug-0.ll

15 lines
322 B
LLVM

; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep {ret i64 0} | count 2
define i64 @foo(i32 %x) nounwind {
%y = lshr i32 %x, 1
%r = udiv i32 %y, -1
%z = sext i32 %r to i64
ret i64 %z
}
define i64 @bar(i32 %x) nounwind {
%y = lshr i32 %x, 31
%r = udiv i32 %y, 3
%z = sext i32 %r to i64
ret i64 %z
}