48 lines
1.4 KiB
LLVM
48 lines
1.4 KiB
LLVM
; RUN: opt < %s -globals-aa -aa-eval -print-all-alias-modref-info -S 2>&1 | FileCheck %s
|
|
|
|
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
|
|
target triple = "x86_64-apple-macosx10.10.0"
|
|
|
|
@a = internal global i32 0, align 4
|
|
@b = internal global i32 0, align 4
|
|
|
|
define void @g(i32* %p, void (i32*)* nocapture %ptr) {
|
|
entry:
|
|
tail call void %ptr(i32* %p) #1
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: Function: f
|
|
; CHECK: MayAlias: i32* %p, i32* @a
|
|
; CHECK: MayAlias: i32* %q, i32* @a
|
|
define i32 @f(i32 %n, i32* nocapture readonly %p, i32* nocapture %q, void (i32*)* nocapture %ptr) {
|
|
entry:
|
|
tail call void @g(i32* nonnull @a, void (i32*)* %ptr)
|
|
%arrayidx = getelementptr inbounds i32, i32* %p, i64 0
|
|
%z1 = load i32, i32* %arrayidx, align 4
|
|
%z2 = load i32, i32* %q, align 4
|
|
%add = add nsw i32 %z2, %z1
|
|
store i32 %add, i32* %q, align 4
|
|
ret i32 4
|
|
}
|
|
|
|
define void @g2(i32* nocapture %p, void (i32*)* nocapture %ptr) {
|
|
entry:
|
|
tail call void %ptr(i32* %p) #1
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: Function: f2
|
|
; CHECK: NoAlias: i32* %p, i32* @b
|
|
; CHECK: NoAlias: i32* %q, i32* @b
|
|
define i32 @f2(i32 %n, i32* nocapture readonly %p, i32* nocapture %q, void (i32*)* nocapture %ptr) {
|
|
entry:
|
|
tail call void @g2(i32* nonnull @b, void (i32*)* %ptr)
|
|
%arrayidx = getelementptr inbounds i32, i32* %p, i64 0
|
|
%z1 = load i32, i32* %arrayidx, align 4
|
|
%z2 = load i32, i32* %q, align 4
|
|
%add = add nsw i32 %z2, %z1
|
|
store i32 %add, i32* %q, align 4
|
|
ret i32 4
|
|
}
|