YouCompleteMe/cpp/llvm/test/CodeGen/Thumb2/thumb2-mulhi.ll
2012-07-05 17:51:06 -07:00

24 lines
970 B
LLVM

; RUN: llc < %s -march=thumb -mattr=+thumb2,+t2dsp | FileCheck %s
define i32 @smulhi(i32 %x, i32 %y) {
; CHECK: smulhi
; CHECK: smmul r0, r1, r0
%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) {
; CHECK: umulhi
; CHECK: umull r1, r0, r1, r0
%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
}