File: pr36577.ll

package info (click to toggle)
llvm-toolchain-7 1%3A7.0.1-8
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 733,456 kB
  • sloc: cpp: 3,776,651; 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; ruby: 156
file content (28 lines) | stat: -rw-r--r-- 951 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
; RUN: llc -mtriple armv6t2 %s -o - | FileCheck %s
; RUN: llc -mtriple thumbv6t2 %s -o - | FileCheck %s --check-prefix=CHECK-T2
; RUN: llc -mtriple armv7 %s -o - | FileCheck %s
; RUN: llc -mtriple thumbv7 %s -o - | FileCheck %s --check-prefix=CHECK-T2
; RUN: llc -mtriple thumbv7m %s -o - | FileCheck %s --check-prefix=CHECK-T2
; RUN: llc -mtriple thumbv8m.main %s -o - | FileCheck %s --check-prefix=CHECK-T2

@a = common dso_local local_unnamed_addr global i16 0, align 2

; CHECK-LABEL: pr36577
; CHECK: ldrh r0, [r0]
; CHECK: bic r0, r1, r0, lsr #5
; CHECK: mvn r1, #7
; CHECK: orr r0, r0, r1
; CHECK-T2: ldrh r0, [r0]
; CHECK-T2: bic.w r0, r1, r0, lsr #5
; CHECK-T2: orn r0, r0, #7
define dso_local arm_aapcscc i32** @pr36577() {
entry:
  %0 = load i16, i16* @a, align 2
  %1 = lshr i16 %0, 7
  %2 = and i16 %1, 1
  %3 = zext i16 %2 to i32
  %4 = xor i32 %3, -1
  %add.ptr = getelementptr inbounds i32*, i32** null, i32 %4
  ret i32** %add.ptr
}