summaryrefslogtreecommitdiff
path: root/test/Analysis/BasicAA/cs-cs.ll
diff options
context:
space:
mode:
Diffstat (limited to 'test/Analysis/BasicAA/cs-cs.ll')
-rw-r--r--test/Analysis/BasicAA/cs-cs.ll62
1 files changed, 52 insertions, 10 deletions
diff --git a/test/Analysis/BasicAA/cs-cs.ll b/test/Analysis/BasicAA/cs-cs.ll
index 3695275649b2e..30b7e0720f0b6 100644
--- a/test/Analysis/BasicAA/cs-cs.ll
+++ b/test/Analysis/BasicAA/cs-cs.ll
@@ -164,7 +164,7 @@ define void @test4(i8* %P, i8* noalias %Q) #3 {
; CHECK-LABEL: Function: test4:
; CHECK: NoAlias: i8* %P, i8* %Q
-; CHECK: Just Mod: Ptr: i8* %P <-> tail call void @llvm.memset.p0i8.i64(i8* %P, i8 42, i64 8, i32 1, i1 false)
+; CHECK: Just Mod (MustAlias): Ptr: i8* %P <-> tail call void @llvm.memset.p0i8.i64(i8* %P, i8 42, i64 8, i32 1, i1 false)
; CHECK: NoModRef: Ptr: i8* %Q <-> tail call void @llvm.memset.p0i8.i64(i8* %P, i8 42, i64 8, i32 1, i1 false)
; CHECK: Just Mod: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i32 1, i1 false)
; CHECK: Just Ref: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i32 1, i1 false)
@@ -192,6 +192,26 @@ define void @test5(i8* %P, i8* %Q, i8* %R) #3 {
; CHECK: Just Mod: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %R, i64 12, i32 1, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i32 1, i1 false)
}
+define void @test5a(i8* noalias %P, i8* noalias %Q, i8* noalias %R) nounwind ssp {
+ tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i32 1, i1 false)
+ tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %R, i64 12, i32 1, i1 false)
+ ret void
+
+; CHECK-LABEL: Function: test5a:
+
+; CHECK: NoAlias: i8* %P, i8* %Q
+; CHECK: NoAlias: i8* %P, i8* %R
+; CHECK: NoAlias: i8* %Q, i8* %R
+; CHECK: Just Mod: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i32 1, i1 false)
+; CHECK: Just Ref: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i32 1, i1 false)
+; CHECK: NoModRef: Ptr: i8* %R <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i32 1, i1 false)
+; CHECK: Just Mod: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %R, i64 12, i32 1, i1 false)
+; CHECK: NoModRef: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %R, i64 12, i32 1, i1 false)
+; CHECK: Just Ref: Ptr: i8* %R <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %R, i64 12, i32 1, i1 false)
+; CHECK: Just Mod: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i32 1, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %R, i64 12, i32 1, i1 false)
+; CHECK: Just Mod: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %R, i64 12, i32 1, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i32 1, i1 false)
+}
+
define void @test6(i8* %P) #3 {
call void @llvm.memset.p0i8.i64(i8* %P, i8 -51, i64 32, i32 8, i1 false)
call void @a_readonly_func(i8* %P)
@@ -199,7 +219,7 @@ define void @test6(i8* %P) #3 {
; CHECK-LABEL: Function: test6:
-; CHECK: Just Mod: Ptr: i8* %P <-> call void @llvm.memset.p0i8.i64(i8* %P, i8 -51, i64 32, i32 8, i1 false)
+; CHECK: Just Mod (MustAlias): Ptr: i8* %P <-> call void @llvm.memset.p0i8.i64(i8* %P, i8 -51, i64 32, i32 8, i1 false)
; CHECK: Just Ref: Ptr: i8* %P <-> call void @a_readonly_func(i8* %P)
; CHECK: Just Mod: call void @llvm.memset.p0i8.i64(i8* %P, i8 -51, i64 32, i32 8, i1 false) <-> call void @a_readonly_func(i8* %P)
; CHECK: Just Ref: call void @a_readonly_func(i8* %P) <-> call void @llvm.memset.p0i8.i64(i8* %P, i8 -51, i64 32, i32 8, i1 false)
@@ -237,9 +257,9 @@ entry:
; CHECK: NoModRef: Ptr: i8* %p <-> call void @an_inaccessiblememonly_func()
; CHECK: NoModRef: Ptr: i8* %q <-> call void @an_inaccessiblememonly_func()
; CHECK: NoModRef: Ptr: i8* %p <-> call void @an_inaccessibleorargmemonly_func(i8* %q)
-; CHECK: Both ModRef: Ptr: i8* %q <-> call void @an_inaccessibleorargmemonly_func(i8* %q)
+; CHECK: Both ModRef (MustAlias): Ptr: i8* %q <-> call void @an_inaccessibleorargmemonly_func(i8* %q)
; CHECK: NoModRef: Ptr: i8* %p <-> call void @an_argmemonly_func(i8* %q)
-; CHECK: Both ModRef: Ptr: i8* %q <-> call void @an_argmemonly_func(i8* %q)
+; CHECK: Both ModRef (MustAlias): Ptr: i8* %q <-> call void @an_argmemonly_func(i8* %q)
; CHECK: Just Ref: call void @a_readonly_func(i8* %p) <-> call void @an_inaccessiblememonly_func()
; CHECK: Just Ref: call void @a_readonly_func(i8* %p) <-> call void @an_inaccessibleorargmemonly_func(i8* %q)
; CHECK: Just Ref: call void @a_readonly_func(i8* %p) <-> call void @an_argmemonly_func(i8* %q)
@@ -254,12 +274,34 @@ entry:
; CHECK: Both ModRef: call void @an_inaccessibleorargmemonly_func(i8* %q) <-> call void @a_readonly_func(i8* %p)
; CHECK: Both ModRef: call void @an_inaccessibleorargmemonly_func(i8* %q) <-> call void @a_writeonly_func(i8* %q)
; CHECK: Both ModRef: call void @an_inaccessibleorargmemonly_func(i8* %q) <-> call void @an_inaccessiblememonly_func()
-; CHECK: Both ModRef: call void @an_inaccessibleorargmemonly_func(i8* %q) <-> call void @an_argmemonly_func(i8* %q)
+; CHECK: Both ModRef (MustAlias): call void @an_inaccessibleorargmemonly_func(i8* %q) <-> call void @an_argmemonly_func(i8* %q)
; CHECK: Both ModRef: call void @an_argmemonly_func(i8* %q) <-> call void @a_readonly_func(i8* %p)
; CHECK: Both ModRef: call void @an_argmemonly_func(i8* %q) <-> call void @a_writeonly_func(i8* %q)
; CHECK: NoModRef: call void @an_argmemonly_func(i8* %q) <-> call void @an_inaccessiblememonly_func()
-; CHECK: Both ModRef: call void @an_argmemonly_func(i8* %q) <-> call void @an_inaccessibleorargmemonly_func(i8* %q)
+; CHECK: Both ModRef (MustAlias): call void @an_argmemonly_func(i8* %q) <-> call void @an_inaccessibleorargmemonly_func(i8* %q)
+}
+
+;; test that MustAlias is set for calls when no MayAlias is found.
+declare void @another_argmemonly_func(i8*, i8*) #0
+define void @test8a(i8* noalias %p, i8* noalias %q) {
+entry:
+ call void @another_argmemonly_func(i8* %p, i8* %q)
+ ret void
+
+; CHECK-LABEL: Function: test8a
+; CHECK: Both ModRef: Ptr: i8* %p <-> call void @another_argmemonly_func(i8* %p, i8* %q)
+; CHECK: Both ModRef: Ptr: i8* %q <-> call void @another_argmemonly_func(i8* %p, i8* %q)
}
+define void @test8b(i8* %p, i8* %q) {
+entry:
+ call void @another_argmemonly_func(i8* %p, i8* %q)
+ ret void
+
+; CHECK-LABEL: Function: test8b
+; CHECK: Both ModRef: Ptr: i8* %p <-> call void @another_argmemonly_func(i8* %p, i8* %q)
+; CHECK: Both ModRef: Ptr: i8* %q <-> call void @another_argmemonly_func(i8* %p, i8* %q)
+}
+
;; test that unknown operand bundle has unknown effect to the heap
define void @test9(i8* %p) {
@@ -310,9 +352,9 @@ entry:
; CHECK: NoModRef: Ptr: i8* %p <-> call void @an_inaccessiblememonly_func() #7 [ "unknown"() ]
; CHECK: NoModRef: Ptr: i8* %q <-> call void @an_inaccessiblememonly_func() #7 [ "unknown"() ]
; CHECK: NoModRef: Ptr: i8* %p <-> call void @an_inaccessibleorargmemonly_func(i8* %q) #8 [ "unknown"() ]
-; CHECK: Both ModRef: Ptr: i8* %q <-> call void @an_inaccessibleorargmemonly_func(i8* %q) #8 [ "unknown"() ]
+; CHECK: Both ModRef (MustAlias): Ptr: i8* %q <-> call void @an_inaccessibleorargmemonly_func(i8* %q) #8 [ "unknown"() ]
; CHECK: NoModRef: Ptr: i8* %p <-> call void @an_argmemonly_func(i8* %q) #9 [ "unknown"() ]
-; CHECK: Both ModRef: Ptr: i8* %q <-> call void @an_argmemonly_func(i8* %q) #9 [ "unknown"() ]
+; CHECK: Both ModRef (MustAlias): Ptr: i8* %q <-> call void @an_argmemonly_func(i8* %q) #9 [ "unknown"() ]
; CHECK: Just Ref: call void @a_readonly_func(i8* %p) #6 [ "unknown"() ] <-> call void @an_inaccessiblememonly_func() #7 [ "unknown"() ]
; CHECK: Just Ref: call void @a_readonly_func(i8* %p) #6 [ "unknown"() ] <-> call void @an_inaccessibleorargmemonly_func(i8* %q) #8 [ "unknown"() ]
; CHECK: Just Ref: call void @a_readonly_func(i8* %p) #6 [ "unknown"() ] <-> call void @an_argmemonly_func(i8* %q) #9 [ "unknown"() ]
@@ -321,10 +363,10 @@ entry:
; CHECK: NoModRef: call void @an_inaccessiblememonly_func() #7 [ "unknown"() ] <-> call void @an_argmemonly_func(i8* %q) #9 [ "unknown"() ]
; CHECK: Both ModRef: call void @an_inaccessibleorargmemonly_func(i8* %q) #8 [ "unknown"() ] <-> call void @a_readonly_func(i8* %p) #6 [ "unknown"() ]
; CHECK: Both ModRef: call void @an_inaccessibleorargmemonly_func(i8* %q) #8 [ "unknown"() ] <-> call void @an_inaccessiblememonly_func() #7 [ "unknown"() ]
-; CHECK: Both ModRef: call void @an_inaccessibleorargmemonly_func(i8* %q) #8 [ "unknown"() ] <-> call void @an_argmemonly_func(i8* %q) #9 [ "unknown"() ]
+; CHECK: Both ModRef (MustAlias): call void @an_inaccessibleorargmemonly_func(i8* %q) #8 [ "unknown"() ] <-> call void @an_argmemonly_func(i8* %q) #9 [ "unknown"() ]
; CHECK: Both ModRef: call void @an_argmemonly_func(i8* %q) #9 [ "unknown"() ] <-> call void @a_readonly_func(i8* %p) #6 [ "unknown"() ]
; CHECK: NoModRef: call void @an_argmemonly_func(i8* %q) #9 [ "unknown"() ] <-> call void @an_inaccessiblememonly_func() #7 [ "unknown"() ]
-; CHECK: Both ModRef: call void @an_argmemonly_func(i8* %q) #9 [ "unknown"() ] <-> call void @an_inaccessibleorargmemonly_func(i8* %q) #8 [ "unknown"() ]
+; CHECK: Both ModRef (MustAlias): call void @an_argmemonly_func(i8* %q) #9 [ "unknown"() ] <-> call void @an_inaccessibleorargmemonly_func(i8* %q) #8 [ "unknown"() ]
}
attributes #0 = { argmemonly nounwind }
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-04 13:34:38 +0000