view test/CodeGen/Thumb2/bfx.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 54457678186b
children
line wrap: on
line source

; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2 %s -o - | FileCheck %s

define i32 @sbfx1(i32 %a) {
; CHECK: sbfx1
; CHECK: sbfx r0, r0, #7, #11
	%t1 = lshr i32 %a, 7
	%t2 = trunc i32 %t1 to i11
	%t3 = sext i11 %t2 to i32
	ret i32 %t3
}

define i32 @ubfx1(i32 %a) {
; CHECK: ubfx1
; CHECK: ubfx r0, r0, #7, #11
	%t1 = lshr i32 %a, 7
	%t2 = trunc i32 %t1 to i11
	%t3 = zext i11 %t2 to i32
	ret i32 %t3
}

define i32 @ubfx2(i32 %a) {
; CHECK: ubfx2
; CHECK: ubfx r0, r0, #7, #11
	%t1 = lshr i32 %a, 7
	%t2 = and i32 %t1, 2047
	ret i32 %t2
}