xref: /aosp_15_r20/external/llvm/test/Transforms/SafeStack/escape-select-call.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt -safe-stack -S -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker; RUN: opt -safe-stack -S -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck %s
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Worker@.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Worker; Addr-of in select instruction
7*9880d681SAndroid Build Coastguard Worker; safestack attribute
8*9880d681SAndroid Build Coastguard Worker; Requires protector.
9*9880d681SAndroid Build Coastguard Workerdefine void @foo() nounwind uwtable safestack {
10*9880d681SAndroid Build Coastguard Workerentry:
11*9880d681SAndroid Build Coastguard Worker  ; CHECK: __safestack_unsafe_stack_ptr
12*9880d681SAndroid Build Coastguard Worker  %x = alloca double, align 8
13*9880d681SAndroid Build Coastguard Worker  %call = call double @testi_aux() nounwind
14*9880d681SAndroid Build Coastguard Worker  store double %call, double* %x, align 8
15*9880d681SAndroid Build Coastguard Worker  %cmp2 = fcmp ogt double %call, 0.000000e+00
16*9880d681SAndroid Build Coastguard Worker  %y.1 = select i1 %cmp2, double* %x, double* null
17*9880d681SAndroid Build Coastguard Worker  %call2 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), double* %y.1)
18*9880d681SAndroid Build Coastguard Worker  ret void
19*9880d681SAndroid Build Coastguard Worker}
20*9880d681SAndroid Build Coastguard Worker
21*9880d681SAndroid Build Coastguard Workerdeclare double @testi_aux()
22*9880d681SAndroid Build Coastguard Workerdeclare i32 @printf(i8*, ...)
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