1 ; RUN: llc < %s -march=arm -mattr=+v6 2 ; RUN: llc < %s -march=arm -mattr=+v6 | \ 3 ; RUN: grep smmul | count 1 4 ; RUN: llc < %s -march=arm | grep umull | count 1 5 6 define i32 @smulhi(i32 %x, i32 %y) { 7 %tmp = sext i32 %x to i64 ; <i64> [#uses=1] 8 %tmp1 = sext i32 %y to i64 ; <i64> [#uses=1] 9 %tmp2 = mul i64 %tmp1, %tmp ; <i64> [#uses=1] 10 %tmp3 = lshr i64 %tmp2, 32 ; <i64> [#uses=1] 11 %tmp3.upgrd.1 = trunc i64 %tmp3 to i32 ; <i32> [#uses=1] 12 ret i32 %tmp3.upgrd.1 13 } 14 15 define i32 @umulhi(i32 %x, i32 %y) { 16 %tmp = zext i32 %x to i64 ; <i64> [#uses=1] 17 %tmp1 = zext i32 %y to i64 ; <i64> [#uses=1] 18 %tmp2 = mul i64 %tmp1, %tmp ; <i64> [#uses=1] 19 %tmp3 = lshr i64 %tmp2, 32 ; <i64> [#uses=1] 20 %tmp3.upgrd.2 = trunc i64 %tmp3 to i32 ; <i32> [#uses=1] 21 ret i32 %tmp3.upgrd.2 22 } 23
