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Diffstat (limited to 'test/Transforms/Reassociate/shift-factor.ll')
| -rw-r--r-- | test/Transforms/Reassociate/shift-factor.ll | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/test/Transforms/Reassociate/shift-factor.ll b/test/Transforms/Reassociate/shift-factor.ll new file mode 100644 index 0000000..73af5e5 --- /dev/null +++ b/test/Transforms/Reassociate/shift-factor.ll @@ -0,0 +1,12 @@ +; There should be exactly one shift and one add left. +; RUN: opt < %s -reassociate -instcombine -S > %t +; RUN: grep shl %t | count 1 +; RUN: grep add %t | count 1 + +define i32 @test(i32 %X, i32 %Y) { + %tmp.2 = shl i32 %X, 1 ; <i32> [#uses=1] + %tmp.6 = shl i32 %Y, 1 ; <i32> [#uses=1] + %tmp.4 = add i32 %tmp.6, %tmp.2 ; <i32> [#uses=1] + ret i32 %tmp.4 +} + |