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llvm-mirror/test/CodeGen/X86/shift-and.ll
2009-09-08 23:54:48 +00:00

25 lines
573 B
LLVM

; RUN: llc < %s -march=x86 | grep and | count 1
; RUN: llc < %s -march=x86-64 | not grep and
define i32 @t1(i32 %t, i32 %val) nounwind {
%shamt = and i32 %t, 31
%res = shl i32 %val, %shamt
ret i32 %res
}
@X = internal global i16 0
define void @t2(i16 %t) nounwind {
%shamt = and i16 %t, 31
%tmp = load i16* @X
%tmp1 = ashr i16 %tmp, %shamt
store i16 %tmp1, i16* @X
ret void
}
define i64 @t3(i64 %t, i64 %val) nounwind {
%shamt = and i64 %t, 63
%res = lshr i64 %val, %shamt
ret i64 %res
}