diff options
Diffstat (limited to 'test/CodeGen/Thumb2/thumb2-uxt_rot.ll')
-rw-r--r-- | test/CodeGen/Thumb2/thumb2-uxt_rot.ll | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/test/CodeGen/Thumb2/thumb2-uxt_rot.ll b/test/CodeGen/Thumb2/thumb2-uxt_rot.ll index bcd4a0f..4afea89 100644 --- a/test/CodeGen/Thumb2/thumb2-uxt_rot.ll +++ b/test/CodeGen/Thumb2/thumb2-uxt_rot.ll @@ -24,8 +24,8 @@ define zeroext i32 @test2(i32 %A.u, i32 %B.u) { } define zeroext i32 @test3(i32 %A.u) { -; A8: test3 -; A8: uxth.w r0, r0, ror #8 +; A8-LABEL: test3 +; A8: ubfx r0, r0, #8, #16 %B.u = lshr i32 %A.u, 8 %C.u = shl i32 %A.u, 24 %D.u = or i32 %B.u, %C.u @@ -33,3 +33,25 @@ define zeroext i32 @test3(i32 %A.u) { %F.u = zext i16 %E.u to i32 ret i32 %F.u } + +define i32 @test4(i32 %A, i32 %X) { +; A8-LABEL: test4: +; A8: uxtab r0, r0, r1, ror #16 + %X.hi = lshr i32 %X, 16 + %X.trunc = trunc i32 %X.hi to i8 + %addend = zext i8 %X.trunc to i32 + + %sum = add i32 %A, %addend + ret i32 %sum +} + +define i32 @test5(i32 %A, i32 %X) { +; A8-LABEL: test5: +; A8: uxtah r0, r0, r1, ror #8 + %X.hi = lshr i32 %X, 8 + %X.trunc = trunc i32 %X.hi to i16 + %addend = zext i16 %X.trunc to i32 + + %sum = add i32 %A, %addend + ret i32 %sum +} |