Mercurial > hg > CbC > CbC_llvm
view test/CodeGen/Thumb2/thumb2-ror.ll @ 146:3fc4d5c3e21e
set tail call flag for code segment in CGCAll
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Sun, 23 Dec 2018 19:23:36 +0900 |
parents | 54457678186b |
children |
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; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2 %s -o - | FileCheck %s ; RUN: llc -mtriple=thumb-eabi %s -o - | FileCheck %s -check-prefix=THUMB1 ; CHECK-LABEL: f1: ; CHECK: ror.w r0, r0, #22 define i32 @f1(i32 %a) { %l8 = shl i32 %a, 10 %r8 = lshr i32 %a, 22 %tmp = or i32 %l8, %r8 ret i32 %tmp } ; CHECK-LABEL: f2: ; CHECK-NOT: and ; CHECK: ror ; THUMB1: f2 ; THUMB1: and define i32 @f2(i32 %v, i32 %nbits) { entry: %and = and i32 %nbits, 31 %shr = lshr i32 %v, %and %sub = sub i32 32, %and %shl = shl i32 %v, %sub %or = or i32 %shl, %shr ret i32 %or }