| Arthur Eubanks | feeed16 | 2020-06-26 14:58:01 -0700 | [diff] [blame] | 1 | ; RUN: opt < %s -basic-aa -aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s |
| Sanjoy Das | d47f424 | 2016-05-10 02:35:41 +0000 | [diff] [blame] | 2 | 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" |
| 3 | |
| Daniel Neilson | 1e68724 | 2018-01-19 17:13:12 +0000 | [diff] [blame] | 4 | declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i1) #0 |
| Sanjoy Das | d47f424 | 2016-05-10 02:35:41 +0000 | [diff] [blame] | 5 | declare void @llvm.experimental.guard(i1, ...) |
| 6 | declare void @unknown_but_readonly() readonly |
| 7 | |
| 8 | define void @test1(i8* %P, i8* %Q) { |
| 9 | tail call void(i1,...) @llvm.experimental.guard(i1 true) [ "deopt"() ] |
| Daniel Neilson | 1e68724 | 2018-01-19 17:13:12 +0000 | [diff] [blame] | 10 | tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) |
| Sanjoy Das | d47f424 | 2016-05-10 02:35:41 +0000 | [diff] [blame] | 11 | ret void |
| 12 | |
| 13 | ; CHECK-LABEL: Function: test1: |
| 14 | |
| 15 | ; CHECK: Just Ref: Ptr: i8* %P <-> tail call void (i1, ...) @llvm.experimental.guard(i1 true) [ "deopt"() ] |
| 16 | ; CHECK: Just Ref: Ptr: i8* %Q <-> tail call void (i1, ...) @llvm.experimental.guard(i1 true) [ "deopt"() ] |
| Florian Hahn | 1ddb3a3 | 2020-09-04 20:43:28 +0100 | [diff] [blame] | 17 | ; CHECK: Both ModRef: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) |
| 18 | ; CHECK: Both ModRef: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) |
| Daniel Neilson | 1e68724 | 2018-01-19 17:13:12 +0000 | [diff] [blame] | 19 | ; CHECK: Just Ref: tail call void (i1, ...) @llvm.experimental.guard(i1 true) [ "deopt"() ] <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) |
| 20 | ; CHECK: Just Mod: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) <-> tail call void (i1, ...) @llvm.experimental.guard(i1 true) [ "deopt"() ] |
| Sanjoy Das | d47f424 | 2016-05-10 02:35:41 +0000 | [diff] [blame] | 21 | } |
| 22 | |
| 23 | define void @test2() { |
| 24 | tail call void(i1,...) @llvm.experimental.guard(i1 true) [ "deopt"() ] |
| 25 | tail call void @unknown_but_readonly() |
| 26 | ret void |
| 27 | ; CHECK-LABEL: Function: test2: |
| 28 | ; CHECK: NoModRef: tail call void (i1, ...) @llvm.experimental.guard(i1 true) [ "deopt"() ] <-> tail call void @unknown_but_readonly() |
| 29 | ; CHECK: NoModRef: tail call void @unknown_but_readonly() <-> tail call void (i1, ...) @llvm.experimental.guard(i1 true) [ "deopt"() ] |
| 30 | } |