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Diffstat (limited to 'test/CodeGen/ARM/rev.ll')
| -rw-r--r-- | test/CodeGen/ARM/rev.ll | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/rev.ll b/test/CodeGen/ARM/rev.ll new file mode 100644 index 0000000000000..68f6264e8a063 --- /dev/null +++ b/test/CodeGen/ARM/rev.ll @@ -0,0 +1,27 @@ +; RUN: llvm-as < %s | llc -march=arm -mattr=+v6 | grep rev16 +; RUN: llvm-as < %s | llc -march=arm -mattr=+v6 | grep revsh + +define i32 @test1(i32 %X) { + %tmp1 = lshr i32 %X, 8 ; <i32> [#uses=3] + %X15 = bitcast i32 %X to i32 ; <i32> [#uses=1] + %tmp4 = shl i32 %X15, 8 ; <i32> [#uses=2] + %tmp2 = and i32 %tmp1, 16711680 ; <i32> [#uses=1] + %tmp5 = and i32 %tmp4, -16777216 ; <i32> [#uses=1] + %tmp9 = and i32 %tmp1, 255 ; <i32> [#uses=1] + %tmp13 = and i32 %tmp4, 65280 ; <i32> [#uses=1] + %tmp6 = or i32 %tmp5, %tmp2 ; <i32> [#uses=1] + %tmp10 = or i32 %tmp6, %tmp13 ; <i32> [#uses=1] + %tmp14 = or i32 %tmp10, %tmp9 ; <i32> [#uses=1] + ret i32 %tmp14 +} + +define i32 @test2(i32 %X) { + %tmp1 = lshr i32 %X, 8 ; <i32> [#uses=1] + %tmp1.upgrd.1 = trunc i32 %tmp1 to i16 ; <i16> [#uses=1] + %tmp3 = trunc i32 %X to i16 ; <i16> [#uses=1] + %tmp2 = and i16 %tmp1.upgrd.1, 255 ; <i16> [#uses=1] + %tmp4 = shl i16 %tmp3, 8 ; <i16> [#uses=1] + %tmp5 = or i16 %tmp2, %tmp4 ; <i16> [#uses=1] + %tmp5.upgrd.2 = sext i16 %tmp5 to i32 ; <i32> [#uses=1] + ret i32 %tmp5.upgrd.2 +} |