File: inlineasm-switch-mode-oneway-from-arm.ll

package info (click to toggle)
llvm-toolchain-7 1%3A7.0.1-8%2Bdeb10u2
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 734,616 kB
  • sloc: cpp: 3,776,926; ansic: 633,271; asm: 350,301; python: 142,716; objc: 107,612; sh: 22,626; lisp: 11,056; perl: 7,999; pascal: 6,742; ml: 5,537; awk: 3,536; makefile: 2,557; cs: 2,027; xml: 841; javascript: 518; ruby: 156
file content (18 lines) | stat: -rw-r--r-- 804 bytes parent folder | download | duplicates (14)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
;RUN:  llc -mtriple=armv7-linux-gnueabi < %s | llvm-mc -triple=armv7-linux-gnueabi -filetype=obj | llvm-objdump -triple=armv7 -d - | FileCheck %s
;RUN:  llc -mtriple=armv7-linux-gnueabi < %s | FileCheck %s -check-prefix=ASM
;RUN:  llc -mtriple=armv7-apple-darwin < %s | FileCheck %s -check-prefix=ASM

define hidden i32 @bah(i8* %start) #0 align 2 {
  %1 = ptrtoint i8* %start to i32
  %2 = tail call i32 asm sideeffect "@ Enter THUMB Mode\0A\09adr r3, 2f+1 \0A\09bx  r3 \0A\09.code 16 \0A2: push {r7} \0A\09mov r7, $4 \0A\09svc 0x0 \0A\09pop {r7} \0A\09", "={r0},{r0},{r1},{r2},r,~{r3}"(i32 %1, i32 %1, i32 0, i32 983042) #3
  %3 = add i32 %1, 1
  ret i32 %3
}
; CHECK: $t
; CHECK: $a
; CHECK: 01 00 81 e2     add     r0, r1, #1

; .code 32 is implicit
; ASM-LABEL: bah:
; ASM: .code 16
; ASM: .code 32