1 ; REQUIRES: aarch64-registered-target
4 ; Test IPA over a single combined file
5 ; RUN: llvm-as %s -o %t0.bc
6 ; RUN: llvm-as %S/Inputs/ipa-alias.ll -o %t1.bc
7 ; RUN: llvm-link %t0.bc %t1.bc -o %t.combined.bc
9 ; RUN: opt -S -analyze -stack-safety-local %t.combined.bc -enable-new-pm=0 | FileCheck %s --check-prefixes=CHECK,LOCAL
10 ; RUN: opt -S -passes="print<stack-safety-local>" -disable-output %t.combined.bc 2>&1 | FileCheck %s --check-prefixes=CHECK,LOCAL
12 ; RUN: opt -S -analyze -stack-safety %t.combined.bc -enable-new-pm=0 | FileCheck %s --check-prefixes=CHECK,GLOBAL,NOLTO
13 ; RUN: opt -S -passes="print-stack-safety" -disable-output %t.combined.bc 2>&1 | FileCheck %s --check-prefixes=CHECK,GLOBAL,NOLTO
15 ; Do an end-to-test using the new LTO API
16 ; RUN: opt -module-summary %s -o %t.summ0.bc
17 ; RUN: opt -module-summary %S/Inputs/ipa-alias.ll -o %t.summ1.bc
19 ; RUN: echo > %t.res.txt \
20 ; RUN: -r %t.summ0.bc,AliasCall,px \
21 ; RUN: -r %t.summ0.bc,AliasToBitcastAliasWrite1, \
22 ; RUN: -r %t.summ0.bc,AliasToPreemptableAliasWrite1, \
23 ; RUN: -r %t.summ0.bc,AliasWrite1, \
24 ; RUN: -r %t.summ0.bc,BitcastAliasCall,px \
25 ; RUN: -r %t.summ0.bc,BitcastAliasWrite1, \
26 ; RUN: -r %t.summ0.bc,InterposableAliasCall,px \
27 ; RUN: -r %t.summ0.bc,InterposableAliasWrite1, \
28 ; RUN: -r %t.summ0.bc,PreemptableAliasCall,px \
29 ; RUN: -r %t.summ0.bc,PreemptableAliasWrite1, \
30 ; RUN: -r %t.summ1.bc,AliasToBitcastAliasWrite1,px \
31 ; RUN: -r %t.summ1.bc,AliasToPreemptableAliasWrite1,px \
32 ; RUN: -r %t.summ1.bc,AliasWrite1,px \
33 ; RUN: -r %t.summ1.bc,BitcastAliasWrite1,px \
34 ; RUN: -r %t.summ1.bc,InterposableAliasWrite1,px \
35 ; RUN: -r %t.summ1.bc,PreemptableAliasWrite1,px \
36 ; RUN: -r %t.summ1.bc,Write1,px
38 ; RUN: llvm-lto2 run %t.summ0.bc %t.summ1.bc -o %t.lto -stack-safety-print -stack-safety-run -save-temps -thinlto-threads 1 -O0 \
39 ; RUN: $(cat %t.res.txt) \
40 ; RUN: 2>&1 | FileCheck %s --check-prefixes=CHECK,GLOBAL,LTO
42 ; RUN: llvm-lto2 run %t.summ0.bc %t.summ1.bc -o %t-newpm.lto -stack-safety-print -stack-safety-run -save-temps -use-new-pm -thinlto-threads 1 -O0 \
43 ; RUN: $(cat %t.res.txt) \
44 ; RUN: 2>&1 | FileCheck %s --check-prefixes=CHECK,GLOBAL,LTO
46 target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
47 target triple = "aarch64-unknown-linux"
49 attributes #0 = { noinline sanitize_memtag "target-features"="+mte,+neon" }
51 declare void @PreemptableAliasWrite1(i8* %p)
52 declare void @AliasToPreemptableAliasWrite1(i8* %p)
54 declare void @InterposableAliasWrite1(i8* %p)
55 ; Aliases to interposable aliases are not allowed
57 declare void @AliasWrite1(i8* %p)
59 declare void @BitcastAliasWrite1(i32* %p)
60 declare void @AliasToBitcastAliasWrite1(i8* %p)
62 ; Call to dso_preemptable alias to a dso_local aliasee
63 define void @PreemptableAliasCall() #0 {
64 ; CHECK-LABEL: @PreemptableAliasCall dso_preemptable{{$}}
65 ; CHECK-NEXT: args uses:
66 ; CHECK-NEXT: allocas uses:
67 ; LOCAL-NEXT: x1[1]: empty-set, @PreemptableAliasWrite1(arg0, [0,1)){{$}}
68 ; GLOBAL-NEXT: x1[1]: full-set, @PreemptableAliasWrite1(arg0, [0,1)){{$}}
69 ; LOCAL-NEXT: x2[1]: empty-set, @AliasToPreemptableAliasWrite1(arg0, [0,1)){{$}}
70 ; GLOBAL-NEXT: x2[1]: [0,1), @AliasToPreemptableAliasWrite1(arg0, [0,1)){{$}}
74 call void @PreemptableAliasWrite1(i8* %x1)
77 ; Alias to a preemptable alias is not preemptable
78 call void @AliasToPreemptableAliasWrite1(i8* %x2)
82 ; Call to an interposable alias to a non-interposable aliasee
83 define void @InterposableAliasCall() #0 {
84 ; CHECK-LABEL: @InterposableAliasCall dso_preemptable{{$}}
85 ; CHECK-NEXT: args uses:
86 ; CHECK-NEXT: allocas uses:
87 ; LOCAL-NEXT: x[1]: empty-set, @InterposableAliasWrite1(arg0, [0,1)){{$}}
88 ; NOLTO-NEXT: x[1]: full-set, @InterposableAliasWrite1(arg0, [0,1)){{$}}
89 ; LTO-NEXT: x[1]: [0,1), @InterposableAliasWrite1(arg0, [0,1)){{$}}
93 ; ThinLTO can resolve the prevailing implementation for interposable definitions.
94 call void @InterposableAliasWrite1(i8* %x)
98 ; Call to a dso_local/non-interposable alias/aliasee
99 define void @AliasCall() #0 {
100 ; CHECK-LABEL: @AliasCall dso_preemptable{{$}}
101 ; CHECK-NEXT: args uses:
102 ; CHECK-NEXT: allocas uses:
103 ; LOCAL-NEXT: x[1]: empty-set, @AliasWrite1(arg0, [0,1)){{$}}
104 ; GLOBAL-NEXT: x[1]: [0,1), @AliasWrite1(arg0, [0,1)){{$}}
108 call void @AliasWrite1(i8* %x)
112 ; Call to a bitcasted dso_local/non-interposable alias/aliasee
113 define void @BitcastAliasCall() #0 {
114 ; CHECK-LABEL: @BitcastAliasCall dso_preemptable{{$}}
115 ; CHECK-NEXT: args uses:
116 ; CHECK-NEXT: allocas uses:
117 ; LOCAL-NEXT: x1[4]: empty-set, @BitcastAliasWrite1(arg0, [0,1)){{$}}
118 ; GLOBAL-NEXT: x1[4]: [0,1), @BitcastAliasWrite1(arg0, [0,1)){{$}}
119 ; LOCAL-NEXT: x2[1]: empty-set, @AliasToBitcastAliasWrite1(arg0, [0,1)){{$}}
120 ; GLOBAL-NEXT: x2[1]: [0,1), @AliasToBitcastAliasWrite1(arg0, [0,1)){{$}}
124 call void @BitcastAliasWrite1(i32* %x1)
126 call void @AliasToBitcastAliasWrite1(i8* %x2)
130 ; The rest is from Inputs/ipa-alias.ll
132 ; CHECK-LABEL: @Write1{{$}}
133 ; CHECK-NEXT: args uses:
134 ; CHECK-NEXT: p[]: [0,1){{$}}
135 ; CHECK-NEXT: allocas uses: