137 lines
5.1 KiB
LLVM
137 lines
5.1 KiB
LLVM
; REQUIRES: aarch64-registered-target
|
|
; REQUIRES: shell
|
|
|
|
; Test IPA over a single combined file
|
|
; RUN: llvm-as %s -o %t0.bc
|
|
; RUN: llvm-as %S/Inputs/ipa-alias.ll -o %t1.bc
|
|
; RUN: llvm-link %t0.bc %t1.bc -o %t.combined.bc
|
|
|
|
; RUN: opt -S -analyze -stack-safety-local %t.combined.bc -enable-new-pm=0 | FileCheck %s --check-prefixes=CHECK,LOCAL
|
|
; RUN: opt -S -passes="print<stack-safety-local>" -disable-output %t.combined.bc 2>&1 | FileCheck %s --check-prefixes=CHECK,LOCAL
|
|
|
|
; RUN: opt -S -analyze -stack-safety %t.combined.bc -enable-new-pm=0 | FileCheck %s --check-prefixes=CHECK,GLOBAL,NOLTO
|
|
; RUN: opt -S -passes="print-stack-safety" -disable-output %t.combined.bc 2>&1 | FileCheck %s --check-prefixes=CHECK,GLOBAL,NOLTO
|
|
|
|
; Do an end-to-test using the new LTO API
|
|
; RUN: opt -module-summary %s -o %t.summ0.bc
|
|
; RUN: opt -module-summary %S/Inputs/ipa-alias.ll -o %t.summ1.bc
|
|
|
|
; RUN: echo > %t.res.txt \
|
|
; RUN: -r %t.summ0.bc,AliasCall,px \
|
|
; RUN: -r %t.summ0.bc,AliasToBitcastAliasWrite1, \
|
|
; RUN: -r %t.summ0.bc,AliasToPreemptableAliasWrite1, \
|
|
; RUN: -r %t.summ0.bc,AliasWrite1, \
|
|
; RUN: -r %t.summ0.bc,BitcastAliasCall,px \
|
|
; RUN: -r %t.summ0.bc,BitcastAliasWrite1, \
|
|
; RUN: -r %t.summ0.bc,InterposableAliasCall,px \
|
|
; RUN: -r %t.summ0.bc,InterposableAliasWrite1, \
|
|
; RUN: -r %t.summ0.bc,PreemptableAliasCall,px \
|
|
; RUN: -r %t.summ0.bc,PreemptableAliasWrite1, \
|
|
; RUN: -r %t.summ1.bc,AliasToBitcastAliasWrite1,px \
|
|
; RUN: -r %t.summ1.bc,AliasToPreemptableAliasWrite1,px \
|
|
; RUN: -r %t.summ1.bc,AliasWrite1,px \
|
|
; RUN: -r %t.summ1.bc,BitcastAliasWrite1,px \
|
|
; RUN: -r %t.summ1.bc,InterposableAliasWrite1,px \
|
|
; RUN: -r %t.summ1.bc,PreemptableAliasWrite1,px \
|
|
; RUN: -r %t.summ1.bc,Write1,px
|
|
|
|
; 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 \
|
|
; RUN: $(cat %t.res.txt) \
|
|
; RUN: 2>&1 | FileCheck %s --check-prefixes=CHECK,GLOBAL,LTO
|
|
|
|
; 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 \
|
|
; RUN: $(cat %t.res.txt) \
|
|
; RUN: 2>&1 | FileCheck %s --check-prefixes=CHECK,GLOBAL,LTO
|
|
|
|
target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
|
|
target triple = "aarch64-unknown-linux"
|
|
|
|
attributes #0 = { noinline sanitize_memtag "target-features"="+mte,+neon" }
|
|
|
|
declare void @PreemptableAliasWrite1(i8* %p)
|
|
declare void @AliasToPreemptableAliasWrite1(i8* %p)
|
|
|
|
declare void @InterposableAliasWrite1(i8* %p)
|
|
; Aliases to interposable aliases are not allowed
|
|
|
|
declare void @AliasWrite1(i8* %p)
|
|
|
|
declare void @BitcastAliasWrite1(i32* %p)
|
|
declare void @AliasToBitcastAliasWrite1(i8* %p)
|
|
|
|
; Call to dso_preemptable alias to a dso_local aliasee
|
|
define void @PreemptableAliasCall() #0 {
|
|
; CHECK-LABEL: @PreemptableAliasCall dso_preemptable{{$}}
|
|
; CHECK-NEXT: args uses:
|
|
; CHECK-NEXT: allocas uses:
|
|
; LOCAL-NEXT: x1[1]: empty-set, @PreemptableAliasWrite1(arg0, [0,1)){{$}}
|
|
; GLOBAL-NEXT: x1[1]: full-set, @PreemptableAliasWrite1(arg0, [0,1)){{$}}
|
|
; LOCAL-NEXT: x2[1]: empty-set, @AliasToPreemptableAliasWrite1(arg0, [0,1)){{$}}
|
|
; GLOBAL-NEXT: x2[1]: [0,1), @AliasToPreemptableAliasWrite1(arg0, [0,1)){{$}}
|
|
; CHECK-EMPTY:
|
|
entry:
|
|
%x1 = alloca i8
|
|
call void @PreemptableAliasWrite1(i8* %x1)
|
|
|
|
%x2 = alloca i8
|
|
; Alias to a preemptable alias is not preemptable
|
|
call void @AliasToPreemptableAliasWrite1(i8* %x2)
|
|
ret void
|
|
}
|
|
|
|
; Call to an interposable alias to a non-interposable aliasee
|
|
define void @InterposableAliasCall() #0 {
|
|
; CHECK-LABEL: @InterposableAliasCall dso_preemptable{{$}}
|
|
; CHECK-NEXT: args uses:
|
|
; CHECK-NEXT: allocas uses:
|
|
; LOCAL-NEXT: x[1]: empty-set, @InterposableAliasWrite1(arg0, [0,1)){{$}}
|
|
; NOLTO-NEXT: x[1]: full-set, @InterposableAliasWrite1(arg0, [0,1)){{$}}
|
|
; LTO-NEXT: x[1]: [0,1), @InterposableAliasWrite1(arg0, [0,1)){{$}}
|
|
; CHECK-EMPTY:
|
|
entry:
|
|
%x = alloca i8
|
|
; ThinLTO can resolve the prevailing implementation for interposable definitions.
|
|
call void @InterposableAliasWrite1(i8* %x)
|
|
ret void
|
|
}
|
|
|
|
; Call to a dso_local/non-interposable alias/aliasee
|
|
define void @AliasCall() #0 {
|
|
; CHECK-LABEL: @AliasCall dso_preemptable{{$}}
|
|
; CHECK-NEXT: args uses:
|
|
; CHECK-NEXT: allocas uses:
|
|
; LOCAL-NEXT: x[1]: empty-set, @AliasWrite1(arg0, [0,1)){{$}}
|
|
; GLOBAL-NEXT: x[1]: [0,1), @AliasWrite1(arg0, [0,1)){{$}}
|
|
; CHECK-EMPTY:
|
|
entry:
|
|
%x = alloca i8
|
|
call void @AliasWrite1(i8* %x)
|
|
ret void
|
|
}
|
|
|
|
; Call to a bitcasted dso_local/non-interposable alias/aliasee
|
|
define void @BitcastAliasCall() #0 {
|
|
; CHECK-LABEL: @BitcastAliasCall dso_preemptable{{$}}
|
|
; CHECK-NEXT: args uses:
|
|
; CHECK-NEXT: allocas uses:
|
|
; LOCAL-NEXT: x1[4]: empty-set, @BitcastAliasWrite1(arg0, [0,1)){{$}}
|
|
; GLOBAL-NEXT: x1[4]: [0,1), @BitcastAliasWrite1(arg0, [0,1)){{$}}
|
|
; LOCAL-NEXT: x2[1]: empty-set, @AliasToBitcastAliasWrite1(arg0, [0,1)){{$}}
|
|
; GLOBAL-NEXT: x2[1]: [0,1), @AliasToBitcastAliasWrite1(arg0, [0,1)){{$}}
|
|
; CHECK-EMPTY:
|
|
entry:
|
|
%x1 = alloca i32
|
|
call void @BitcastAliasWrite1(i32* %x1)
|
|
%x2 = alloca i8
|
|
call void @AliasToBitcastAliasWrite1(i8* %x2)
|
|
ret void
|
|
}
|
|
|
|
; The rest is from Inputs/ipa-alias.ll
|
|
|
|
; CHECK-LABEL: @Write1{{$}}
|
|
; CHECK-NEXT: args uses:
|
|
; CHECK-NEXT: p[]: [0,1){{$}}
|
|
; CHECK-NEXT: allocas uses:
|
|
; CHECK-EMPTY:
|