llvm-6502/test/CodeGen/ARM/mulhi.ll

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; RUN: llc < %s -march=arm -mattr=+v6
; RUN: llc < %s -march=arm -mattr=+v6 | \
; RUN: grep smmul | count 1
; RUN: llc < %s -march=arm | grep umull | count 1
define i32 @smulhi(i32 %x, i32 %y) {
%tmp = sext i32 %x to i64 ; <i64> [#uses=1]
%tmp1 = sext i32 %y to i64 ; <i64> [#uses=1]
%tmp2 = mul i64 %tmp1, %tmp ; <i64> [#uses=1]
%tmp3 = lshr i64 %tmp2, 32 ; <i64> [#uses=1]
%tmp3.upgrd.1 = trunc i64 %tmp3 to i32 ; <i32> [#uses=1]
ret i32 %tmp3.upgrd.1
}
define i32 @umulhi(i32 %x, i32 %y) {
%tmp = zext i32 %x to i64 ; <i64> [#uses=1]
%tmp1 = zext i32 %y to i64 ; <i64> [#uses=1]
%tmp2 = mul i64 %tmp1, %tmp ; <i64> [#uses=1]
%tmp3 = lshr i64 %tmp2, 32 ; <i64> [#uses=1]
%tmp3.upgrd.2 = trunc i64 %tmp3 to i32 ; <i32> [#uses=1]
ret i32 %tmp3.upgrd.2
}