File: gep-alias-gep-load.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (35 lines) | stat: -rw-r--r-- 1,108 bytes parent folder | download | duplicates (15)
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
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=instsimplify -S < %s | FileCheck %s

@a1 = internal alias i32, getelementptr ({[3 x i32]}, ptr @b, i32 0, i32 0, i32 1)
@a2 = weak alias i32, getelementptr ({[3 x i32]}, ptr @b, i32 0, i32 0, i32 1)
@b = internal constant {[3 x i32]} {[3 x i32] [i32 2, i32 3, i32 4]}

@c = internal alias i32, getelementptr ({[3 x i32]}, ptr @d, i32 0, i32 0, i32 1)
@d = weak constant {[3 x i32]} {[3 x i32] [i32 2, i32 3, i32 4]}

define i32 @f() {
; CHECK-LABEL: @f(
; CHECK-NEXT:    ret i32 4
;
  %a = load i32, ptr getelementptr (i32, ptr @a1, i64 1)
  ret i32 %a
}

define i32 @g() {
; CHECK-LABEL: @g(
; CHECK-NEXT:    [[A:%.*]] = load i32, ptr getelementptr (i32, ptr @a2, i64 1), align 4
; CHECK-NEXT:    ret i32 [[A]]
;
  %a = load i32, ptr getelementptr (i32, ptr @a2, i64 1)
  ret i32 %a
}

define i32 @h() {
; CHECK-LABEL: @h(
; CHECK-NEXT:    [[A:%.*]] = load i32, ptr getelementptr (i32, ptr @c, i64 1), align 4
; CHECK-NEXT:    ret i32 [[A]]
;
  %a = load i32, ptr getelementptr (i32, ptr @c, i64 1)
  ret i32 %a
}