File: arm64-zextload-unscaled.ll

package info (click to toggle)
llvm-toolchain-3.9 1%3A3.9.1-9
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 441,144 kB
  • ctags: 428,836
  • sloc: cpp: 2,546,577; ansic: 538,318; asm: 119,677; objc: 103,316; python: 102,148; sh: 27,847; pascal: 5,626; ml: 5,510; perl: 5,293; lisp: 4,801; makefile: 2,177; xml: 686; cs: 362; php: 212; csh: 117
file content (40 lines) | stat: -rw-r--r-- 1,025 bytes parent folder | download | duplicates (5)
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
29
30
31
32
33
34
35
36
37
38
39
40
; RUN: llc -march=arm64 < %s | FileCheck %s

@var32 = global i32 0

define void @test_zextloadi1_unscaled(i1* %base) {
; CHECK-LABEL: test_zextloadi1_unscaled:
; CHECK: ldurb {{w[0-9]+}}, [{{x[0-9]+}}, #-7]

  %addr = getelementptr i1, i1* %base, i32 -7
  %val = load i1, i1* %addr, align 1

  %extended = zext i1 %val to i32
  store i32 %extended, i32* @var32, align 4
  ret void
}

define void @test_zextloadi8_unscaled(i8* %base) {
; CHECK-LABEL: test_zextloadi8_unscaled:
; CHECK: ldurb {{w[0-9]+}}, [{{x[0-9]+}}, #-7]

  %addr = getelementptr i8, i8* %base, i32 -7
  %val = load i8, i8* %addr, align 1

  %extended = zext i8 %val to i32
  store i32 %extended, i32* @var32, align 4
  ret void
}

define void @test_zextloadi16_unscaled(i16* %base) {
; CHECK-LABEL: test_zextloadi16_unscaled:
; CHECK: ldurh {{w[0-9]+}}, [{{x[0-9]+}}, #-14]

  %addr = getelementptr i16, i16* %base, i32 -7
  %val = load i16, i16* %addr, align 2

  %extended = zext i16 %val to i32
  store i32 %extended, i32* @var32, align 4
  ret void
}