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llvm-mirror/test/Analysis/BasicAA/cs-cs.ll
Daniel Neilson 6a4ca59d1b [BasicAA] Teach the analysis about atomic memcpy 
Summary:
A simple change to derive mod/ref info from the atomic memcpy
intrinsic in the same way as from the regular memcpy intrinsic.

llvm-svn: 333454
2018-05-29 19:23:50 +00:00

399 lines
28 KiB
LLVM
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; RUN: opt < %s -basicaa -aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s
target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:32:64-v128:32:128-a0:0:32-n32"
target triple = "arm-apple-ios"
declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i1) #0
declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i1) #0
declare void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i32) #0
declare void @a_readonly_func(i8*) #1
declare void @a_writeonly_func(i8*) #2
define void @test2(i8* %P, i8* %Q) #3 {
tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
ret void
; CHECK-LABEL: Function: test2:
; CHECK: MayAlias: i8* %P, i8* %Q
; CHECK: Just Mod: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
; CHECK: Just Ref: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
; CHECK: Just Mod: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
; CHECK: Just Ref: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
; CHECK: Just Mod: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
; CHECK: Just Mod: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
}
define void @test2_atomic(i8* %P, i8* %Q) #3 {
tail call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* align 1 %P, i8* align 1 %Q, i64 12, i32 1)
tail call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* align 1 %P, i8* align 1 %Q, i64 12, i32 1)
ret void
; CHECK-LABEL: Function: test2_atomic:
; CHECK: MayAlias: i8* %P, i8* %Q
; CHECK: Just Mod: Ptr: i8* %P <-> tail call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* align 1 %P, i8* align 1 %Q, i64 12, i32 1)
; CHECK: Just Ref: Ptr: i8* %Q <-> tail call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* align 1 %P, i8* align 1 %Q, i64 12, i32 1)
; CHECK: Just Mod: Ptr: i8* %P <-> tail call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* align 1 %P, i8* align 1 %Q, i64 12, i32 1)
; CHECK: Just Ref: Ptr: i8* %Q <-> tail call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* align 1 %P, i8* align 1 %Q, i64 12, i32 1)
; CHECK: Just Mod: tail call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* align 1 %P, i8* align 1 %Q, i64 12, i32 1) <-> tail call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* align 1 %P, i8* align 1 %Q, i64 12, i32 1)
; CHECK: Just Mod: tail call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* align 1 %P, i8* align 1 %Q, i64 12, i32 1) <-> tail call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* align 1 %P, i8* align 1 %Q, i64 12, i32 1)
}
define void @test2a(i8* noalias %P, i8* noalias %Q) #3 {
tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
ret void
; CHECK-LABEL: Function: test2a:
; CHECK: NoAlias: i8* %P, i8* %Q
; CHECK: Just Mod: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
; CHECK: Just Ref: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
; CHECK: Just Mod: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
; CHECK: Just Ref: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
; CHECK: Just Mod: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
; CHECK: Just Mod: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
}
define void @test2b(i8* noalias %P, i8* noalias %Q) #3 {
tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
%R = getelementptr i8, i8* %P, i64 12
tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false)
ret void
; CHECK-LABEL: Function: test2b:
; 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, i1 false)
; CHECK: Just Ref: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
; CHECK: NoModRef: Ptr: i8* %R <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
; CHECK: NoModRef: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false)
; CHECK: Just Ref: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false)
; CHECK: Just Mod: Ptr: i8* %R <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false)
; CHECK: NoModRef: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false)
; CHECK: NoModRef: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
}
define void @test2c(i8* noalias %P, i8* noalias %Q) #3 {
tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
%R = getelementptr i8, i8* %P, i64 11
tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false)
ret void
; CHECK-LABEL: Function: test2c:
; 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, i1 false)
; CHECK: Just Ref: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
; CHECK: Just Mod: Ptr: i8* %R <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
; CHECK: NoModRef: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false)
; CHECK: Just Ref: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false)
; CHECK: Just Mod: Ptr: i8* %R <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false)
; CHECK: Just Mod: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false)
; CHECK: Just Mod: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
}
define void @test2d(i8* noalias %P, i8* noalias %Q) #3 {
tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
%R = getelementptr i8, i8* %P, i64 -12
tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false)
ret void
; CHECK-LABEL: Function: test2d:
; 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, i1 false)
; CHECK: Just Ref: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
; CHECK: NoModRef: Ptr: i8* %R <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
; CHECK: NoModRef: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false)
; CHECK: Just Ref: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false)
; CHECK: Just Mod: Ptr: i8* %R <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false)
; CHECK: NoModRef: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false)
; CHECK: NoModRef: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
}
define void @test2e(i8* noalias %P, i8* noalias %Q) #3 {
tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
%R = getelementptr i8, i8* %P, i64 -11
tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false)
ret void
; CHECK-LABEL: Function: test2e:
; 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, i1 false)
; CHECK: Just Ref: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
; CHECK: NoModRef: Ptr: i8* %R <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
; CHECK: Just Mod: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false)
; CHECK: Just Ref: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false)
; CHECK: Just Mod: Ptr: i8* %R <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false)
; CHECK: Just Mod: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false)
; CHECK: Just Mod: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
}
define void @test3(i8* %P, i8* %Q) #3 {
tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 8, i1 false)
tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
ret void
; CHECK-LABEL: Function: test3:
; CHECK: MayAlias: i8* %P, i8* %Q
; CHECK: Just Mod: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 8, i1 false)
; CHECK: Just Ref: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 8, i1 false)
; CHECK: Just Mod: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
; CHECK: Just Ref: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
; CHECK: Just Mod: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 8, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
; CHECK: Just Mod: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 8, i1 false)
}
define void @test3a(i8* noalias %P, i8* noalias %Q) #3 {
tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 8, i1 false)
tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
ret void
; CHECK-LABEL: Function: test3a:
; CHECK: NoAlias: i8* %P, i8* %Q
; CHECK: Just Mod: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 8, i1 false)
; CHECK: Just Ref: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 8, i1 false)
; CHECK: Just Mod: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
; CHECK: Just Ref: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
; CHECK: Just Mod: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 8, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
; CHECK: Just Mod: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 8, i1 false)
}
define void @test4(i8* %P, i8* noalias %Q) #3 {
tail call void @llvm.memset.p0i8.i64(i8* %P, i8 42, i64 8, i1 false)
tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
ret void
; CHECK-LABEL: Function: test4:
; CHECK: NoAlias: i8* %P, i8* %Q
; CHECK: Just Mod (MustAlias): Ptr: i8* %P <-> tail call void @llvm.memset.p0i8.i64(i8* %P, i8 42, i64 8, i1 false)
; CHECK: NoModRef: Ptr: i8* %Q <-> tail call void @llvm.memset.p0i8.i64(i8* %P, i8 42, i64 8, i1 false)
; CHECK: Just Mod: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
; CHECK: Just Ref: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
; CHECK: Just Mod: tail call void @llvm.memset.p0i8.i64(i8* %P, i8 42, i64 8, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
; CHECK: Just Mod: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) <-> tail call void @llvm.memset.p0i8.i64(i8* %P, i8 42, i64 8, i1 false)
}
define void @test5(i8* %P, i8* %Q, i8* %R) #3 {
tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %R, i64 12, i1 false)
ret void
; CHECK-LABEL: Function: test5:
; CHECK: MayAlias: i8* %P, i8* %Q
; CHECK: MayAlias: i8* %P, i8* %R
; CHECK: MayAlias: i8* %Q, i8* %R
; CHECK: Just Mod: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
; CHECK: Just Ref: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
; CHECK: Both ModRef: Ptr: i8* %R <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
; CHECK: Just Mod: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %R, i64 12, i1 false)
; CHECK: Both ModRef: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %R, i64 12, i1 false)
; CHECK: Just Ref: Ptr: i8* %R <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %R, i64 12, i1 false)
; CHECK: Just Mod: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %R, i64 12, i1 false)
; CHECK: Just Mod: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %R, i64 12, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, 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, i1 false)
tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %R, i64 12, 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, i1 false)
; CHECK: Just Ref: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
; CHECK: NoModRef: Ptr: i8* %R <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
; CHECK: Just Mod: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %R, i64 12, i1 false)
; CHECK: NoModRef: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %R, i64 12, i1 false)
; CHECK: Just Ref: Ptr: i8* %R <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %R, i64 12, i1 false)
; CHECK: Just Mod: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %R, i64 12, i1 false)
; CHECK: Just Mod: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %R, i64 12, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
}
define void @test6(i8* %P) #3 {
call void @llvm.memset.p0i8.i64(i8* align 8 %P, i8 -51, i64 32, i1 false)
call void @a_readonly_func(i8* %P)
ret void
; CHECK-LABEL: Function: test6:
; CHECK: Just Mod (MustAlias): Ptr: i8* %P <-> call void @llvm.memset.p0i8.i64(i8* align 8 %P, i8 -51, i64 32, 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* align 8 %P, i8 -51, i64 32, 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* align 8 %P, i8 -51, i64 32, i1 false)
}
define void @test7(i8* %P) #3 {
call void @a_writeonly_func(i8* %P)
call void @a_readonly_func(i8* %P)
ret void
; CHECK-LABEL: Function: test7:
; CHECK: Just Mod: Ptr: i8* %P <-> call void @a_writeonly_func(i8* %P)
; CHECK: Just Ref: Ptr: i8* %P <-> call void @a_readonly_func(i8* %P)
; CHECK: Just Mod: call void @a_writeonly_func(i8* %P) <-> call void @a_readonly_func(i8* %P)
; CHECK: Just Ref: call void @a_readonly_func(i8* %P) <-> call void @a_writeonly_func(i8* %P)
}
declare void @an_inaccessiblememonly_func() #4
declare void @an_inaccessibleorargmemonly_func(i8*) #5
declare void @an_argmemonly_func(i8*) #0
define void @test8(i8* %p) {
entry:
%q = getelementptr i8, i8* %p, i64 16
call void @a_readonly_func(i8* %p)
call void @an_inaccessiblememonly_func()
call void @a_writeonly_func(i8* %q)
call void @an_inaccessiblememonly_func()
call void @an_inaccessibleorargmemonly_func(i8* %q)
call void @an_argmemonly_func(i8* %q)
ret void
; CHECK-LABEL: Function: test8
; 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 (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 (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)
; CHECK: Both ModRef: call void @an_inaccessiblememonly_func() <-> call void @a_readonly_func(i8* %p)
; CHECK: Both ModRef: call void @an_inaccessiblememonly_func() <-> call void @a_writeonly_func(i8* %q)
; CHECK: Both ModRef: call void @an_inaccessiblememonly_func() <-> call void @an_inaccessiblememonly_func()
; CHECK: Both ModRef: call void @an_inaccessiblememonly_func() <-> call void @an_inaccessibleorargmemonly_func(i8* %q)
; CHECK: NoModRef: call void @an_inaccessiblememonly_func() <-> call void @an_argmemonly_func(i8* %q)
; CHECK: Just Mod: call void @a_writeonly_func(i8* %q) <-> call void @an_inaccessiblememonly_func()
; CHECK: Just Mod: call void @a_writeonly_func(i8* %q) <-> call void @an_inaccessibleorargmemonly_func(i8* %q)
; CHECK: Just Mod: call void @a_writeonly_func(i8* %q) <-> call void @an_argmemonly_func(i8* %q)
; 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 (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 (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) {
; CHECK-LABEL: Function: test9
entry:
%q = getelementptr i8, i8* %p, i64 16
call void @a_readonly_func(i8* %p) [ "unknown"() ]
call void @an_inaccessiblememonly_func() [ "unknown"() ]
call void @an_inaccessibleorargmemonly_func(i8* %q) [ "unknown"() ]
call void @an_argmemonly_func(i8* %q) [ "unknown"() ]
ret void
; CHECK: Both ModRef: Ptr: i8* %p <-> call void @a_readonly_func(i8* %p) [ "unknown"() ]
; CHECK: Both ModRef: Ptr: i8* %q <-> call void @a_readonly_func(i8* %p) [ "unknown"() ]
; CHECK: Both ModRef: Ptr: i8* %p <-> call void @an_inaccessiblememonly_func() [ "unknown"() ]
; CHECK: Both ModRef: Ptr: i8* %q <-> call void @an_inaccessiblememonly_func() [ "unknown"() ]
; CHECK: Both ModRef: Ptr: i8* %p <-> call void @an_inaccessibleorargmemonly_func(i8* %q) [ "unknown"() ]
; CHECK: Both ModRef: Ptr: i8* %q <-> call void @an_inaccessibleorargmemonly_func(i8* %q) [ "unknown"() ]
; CHECK: Both ModRef: Ptr: i8* %p <-> call void @an_argmemonly_func(i8* %q) [ "unknown"() ]
; CHECK: Both ModRef: Ptr: i8* %q <-> call void @an_argmemonly_func(i8* %q) [ "unknown"() ]
; CHECK: Both ModRef: call void @a_readonly_func(i8* %p) [ "unknown"() ] <-> call void @an_inaccessiblememonly_func() [ "unknown"() ]
; CHECK: Both ModRef: call void @a_readonly_func(i8* %p) [ "unknown"() ] <-> call void @an_inaccessibleorargmemonly_func(i8* %q) [ "unknown"() ]
; CHECK: Both ModRef: call void @a_readonly_func(i8* %p) [ "unknown"() ] <-> call void @an_argmemonly_func(i8* %q) [ "unknown"() ]
; CHECK: Both ModRef: call void @an_inaccessiblememonly_func() [ "unknown"() ] <-> call void @a_readonly_func(i8* %p) [ "unknown"() ]
; CHECK: Both ModRef: call void @an_inaccessiblememonly_func() [ "unknown"() ] <-> call void @an_inaccessibleorargmemonly_func(i8* %q) [ "unknown"() ]
; CHECK: Both ModRef: call void @an_inaccessiblememonly_func() [ "unknown"() ] <-> call void @an_argmemonly_func(i8* %q) [ "unknown"() ]
; CHECK: Both ModRef: call void @an_inaccessibleorargmemonly_func(i8* %q) [ "unknown"() ] <-> call void @a_readonly_func(i8* %p) [ "unknown"() ]
; CHECK: Both ModRef: call void @an_inaccessibleorargmemonly_func(i8* %q) [ "unknown"() ] <-> call void @an_inaccessiblememonly_func() [ "unknown"() ]
; CHECK: Both ModRef: call void @an_inaccessibleorargmemonly_func(i8* %q) [ "unknown"() ] <-> call void @an_argmemonly_func(i8* %q) [ "unknown"() ]
; CHECK: Both ModRef: call void @an_argmemonly_func(i8* %q) [ "unknown"() ] <-> call void @a_readonly_func(i8* %p) [ "unknown"() ]
; CHECK: Both ModRef: call void @an_argmemonly_func(i8* %q) [ "unknown"() ] <-> call void @an_inaccessiblememonly_func() [ "unknown"() ]
; CHECK: Both ModRef: call void @an_argmemonly_func(i8* %q) [ "unknown"() ] <-> call void @an_inaccessibleorargmemonly_func(i8* %q) [ "unknown"() ]
}
;; test callsite overwrite of unknown operand bundle
define void @test10(i8* %p) {
; CHECK-LABEL: Function: test10
entry:
%q = getelementptr i8, i8* %p, i64 16
call void @a_readonly_func(i8* %p) #6 [ "unknown"() ]
call void @an_inaccessiblememonly_func() #7 [ "unknown"() ]
call void @an_inaccessibleorargmemonly_func(i8* %q) #8 [ "unknown"() ]
call void @an_argmemonly_func(i8* %q) #9 [ "unknown"() ]
ret void
; CHECK: Just Ref: Ptr: i8* %p <-> call void @a_readonly_func(i8* %p) #6 [ "unknown"() ]
; CHECK: Just Ref: Ptr: i8* %q <-> call void @a_readonly_func(i8* %p) #6 [ "unknown"() ]
; 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 (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 (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"() ]
; CHECK: Both ModRef: call void @an_inaccessiblememonly_func() #7 [ "unknown"() ] <-> call void @a_readonly_func(i8* %p) #6 [ "unknown"() ]
; CHECK: Both ModRef: call void @an_inaccessiblememonly_func() #7 [ "unknown"() ] <-> call void @an_inaccessibleorargmemonly_func(i8* %q) #8 [ "unknown"() ]
; 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 (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 (MustAlias): call void @an_argmemonly_func(i8* %q) #9 [ "unknown"() ] <-> call void @an_inaccessibleorargmemonly_func(i8* %q) #8 [ "unknown"() ]
}
attributes #0 = { argmemonly nounwind }
attributes #1 = { noinline nounwind readonly }
attributes #2 = { noinline nounwind writeonly }
attributes #3 = { nounwind ssp }
attributes #4 = { inaccessiblememonly nounwind }
attributes #5 = { inaccessiblemem_or_argmemonly nounwind }
attributes #6 = { readonly }
attributes #7 = { inaccessiblememonly }
attributes #8 = { inaccessiblemem_or_argmemonly }
attributes #9 = { argmemonly }
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