| Dan Gohman | da594cf | 2009-09-09 00:09:15 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -march=thumb -mattr=+thumb2 | grep smmul | count 1 |
| 2 | ; RUN: llc < %s -march=thumb -mattr=+thumb2 | grep umull | count 1 |
| Evan Cheng | a562626 | 2009-07-07 01:17:28 +0000 | [diff] [blame] | 3 | |
| 4 | define i32 @smulhi(i32 %x, i32 %y) { |
| 5 | %tmp = sext i32 %x to i64 ; <i64> [#uses=1] |
| 6 | %tmp1 = sext i32 %y to i64 ; <i64> [#uses=1] |
| 7 | %tmp2 = mul i64 %tmp1, %tmp ; <i64> [#uses=1] |
| 8 | %tmp3 = lshr i64 %tmp2, 32 ; <i64> [#uses=1] |
| 9 | %tmp3.upgrd.1 = trunc i64 %tmp3 to i32 ; <i32> [#uses=1] |
| 10 | ret i32 %tmp3.upgrd.1 |
| 11 | } |
| 12 | |
| 13 | define i32 @umulhi(i32 %x, i32 %y) { |
| 14 | %tmp = zext i32 %x to i64 ; <i64> [#uses=1] |
| 15 | %tmp1 = zext i32 %y to i64 ; <i64> [#uses=1] |
| 16 | %tmp2 = mul i64 %tmp1, %tmp ; <i64> [#uses=1] |
| 17 | %tmp3 = lshr i64 %tmp2, 32 ; <i64> [#uses=1] |
| 18 | %tmp3.upgrd.2 = trunc i64 %tmp3 to i32 ; <i32> [#uses=1] |
| 19 | ret i32 %tmp3.upgrd.2 |
| 20 | } |