forked from OSchip/llvm-project
28 lines
706 B
LLVM
28 lines
706 B
LLVM
; RUN: opt < %s -aa-eval -print-all-alias-modref-info \
|
|
; RUN: |& grep {MayAlias: double\\* \[%\]p.0.i.0, double\\* \[%\]p3\$}
|
|
; PR4267
|
|
|
|
; %p3 is equal to %p.0.i.0 on the second iteration of the loop,
|
|
; so MayAlias is needed.
|
|
|
|
define void @foo([3 x [3 x double]]* noalias %p) {
|
|
entry:
|
|
%p3 = getelementptr [3 x [3 x double]]* %p, i64 0, i64 0, i64 3
|
|
br label %loop
|
|
|
|
loop:
|
|
%i = phi i64 [ 0, %entry ], [ %i.next, %loop ]
|
|
|
|
%p.0.i.0 = getelementptr [3 x [3 x double]]* %p, i64 0, i64 %i, i64 0
|
|
|
|
volatile store double 0.0, double* %p3
|
|
volatile store double 0.1, double* %p.0.i.0
|
|
|
|
%i.next = add i64 %i, 1
|
|
%cmp = icmp slt i64 %i.next, 3
|
|
br i1 %cmp, label %loop, label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|