1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
|
; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py UTC_ARGS: --version 5
; RUN: opt < %s -disable-output "-passes=print<da>" -aa-pipeline=basic-aa 2>&1 \
; RUN: | FileCheck %s
; The dependence test does not handle array accesses of different sizes: i32 and i64.
; Bug 16183 - https://github.com/llvm/llvm-project/issues/16183
define i64 @bug16183_alias(ptr nocapture %A) {
; CHECK-LABEL: 'bug16183_alias'
; CHECK-NEXT: Src: store i32 2, ptr %arrayidx, align 4 --> Dst: store i32 2, ptr %arrayidx, align 4
; CHECK-NEXT: da analyze - none!
; CHECK-NEXT: Src: store i32 2, ptr %arrayidx, align 4 --> Dst: %0 = load i64, ptr %A, align 8
; CHECK-NEXT: da analyze - confused!
; CHECK-NEXT: Src: %0 = load i64, ptr %A, align 8 --> Dst: %0 = load i64, ptr %A, align 8
; CHECK-NEXT: da analyze - none!
;
entry:
%arrayidx = getelementptr inbounds i32, ptr %A, i64 1
store i32 2, ptr %arrayidx, align 4
%0 = load i64, ptr %A, align 8
ret i64 %0
}
|