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Diffstat (limited to 'test/CodeGen/Alpha/zapnot3.ll')
-rw-r--r-- | test/CodeGen/Alpha/zapnot3.ll | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/test/CodeGen/Alpha/zapnot3.ll b/test/CodeGen/Alpha/zapnot3.ll new file mode 100644 index 0000000..f02961f --- /dev/null +++ b/test/CodeGen/Alpha/zapnot3.ll @@ -0,0 +1,15 @@ +; RUN: llc < %s -march=alpha | grep zapnot + +;demanded bits mess up this mask in a hard to fix way +;define i64 @foo(i64 %y) { +; %tmp = and i64 %y, 65535 +; %tmp2 = shr i64 %tmp, i8 3 +; ret i64 %tmp2 +;} + +define i64 @foo2(i64 %y) { + %tmp = lshr i64 %y, 3 ; <i64> [#uses=1] + %tmp2 = and i64 %tmp, 8191 ; <i64> [#uses=1] + ret i64 %tmp2 +} + |