Mercurial > hg > CbC > CbC_llvm
view test/CodeGen/Thumb2/thumb2-smul.ll @ 146:3fc4d5c3e21e
set tail call flag for code segment in CGCAll
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
---|---|
date | Sun, 23 Dec 2018 19:23:36 +0900 |
parents | 803732b1fca8 |
children |
line wrap: on
line source
; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2,+dsp %s -o - | FileCheck %s @x = weak global i16 0 ; <i16*> [#uses=1] @y = weak global i16 0 ; <i16*> [#uses=0] define i32 @f1(i32 %y) { ; CHECK: f1 ; CHECK: smulbt r0, r1, r0 %tmp = load i16, i16* @x ; <i16> [#uses=1] %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) { ; CHECK: f2 ; CHECK: smultt r0, r1, r0 %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 }