2015-10-24 01:19:19 +08:00
|
|
|
; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2,+t2xtpk,+dsp %s -o - | FileCheck %s
|
2009-07-07 09:17:28 +08:00
|
|
|
|
|
|
|
@x = weak global i16 0 ; <i16*> [#uses=1]
|
|
|
|
@y = weak global i16 0 ; <i16*> [#uses=0]
|
|
|
|
|
|
|
|
define i32 @f1(i32 %y) {
|
2009-11-17 08:20:26 +08:00
|
|
|
; CHECK: f1
|
|
|
|
; CHECK: smulbt r0, r1, r0
|
2015-02-28 05:17:42 +08:00
|
|
|
%tmp = load i16, i16* @x ; <i16> [#uses=1]
|
2009-07-07 09:17:28 +08:00
|
|
|
%tmp1 = add i16 %tmp, 2 ; <i16> [#uses=1]
|
|
|
|
%tmp2 = sext i16 %tmp1 to i32 ; <i32> [#uses=1]
|
|
|
|
%tmp3 = ashr i32 %y, 16 ; <i32> [#uses=1]
|
|
|
|
%tmp4 = mul i32 %tmp2, %tmp3 ; <i32> [#uses=1]
|
|
|
|
ret i32 %tmp4
|
|
|
|
}
|
|
|
|
|
|
|
|
define i32 @f2(i32 %x, i32 %y) {
|
2009-11-17 08:20:26 +08:00
|
|
|
; CHECK: f2
|
|
|
|
; CHECK: smultt r0, r1, r0
|
2009-07-07 09:17:28 +08:00
|
|
|
%tmp1 = ashr i32 %x, 16 ; <i32> [#uses=1]
|
|
|
|
%tmp3 = ashr i32 %y, 16 ; <i32> [#uses=1]
|
|
|
|
%tmp4 = mul i32 %tmp3, %tmp1 ; <i32> [#uses=1]
|
|
|
|
ret i32 %tmp4
|
|
|
|
}
|