llvm-project/llvm/test/Transforms/SafeStack/X86/constant-gep-call.ll
paperchalice 3bd5172057
Reland "[CodeGen] Port SafeStack to new pass manager (#74027)
Forgot to update related code in `CodeGenPassBuilder.h`, also update it
for `CallBrPreparePass`.
Fix build when `LLVM_ENABLE_MODULES:BOOL=ON`.
2023-12-01 13:55:05 +09:00

28 lines
1.0 KiB
LLVM

; RUN: opt -safe-stack -S -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck %s
; RUN: opt -safe-stack -S -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck %s
; RUN: opt -passes=safe-stack -S -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck %s
; RUN: opt -passes=safe-stack -S -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck %s
%struct.nest = type { %struct.pair, %struct.pair }
%struct.pair = type { i32, i32 }
@.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1
; Nested structure, no arrays, no address-of expressions.
; Verify that the resulting gep-of-gep does not incorrectly trigger
; a safe stack protector.
; safestack attribute
; Requires no protector.
; CHECK-LABEL: @foo(
define void @foo() nounwind uwtable safestack {
entry:
; CHECK-NOT: __safestack_unsafe_stack_ptr
%c = alloca %struct.nest, align 4
%b = getelementptr inbounds %struct.nest, ptr %c, i32 0, i32 1
%0 = load i32, ptr %b, align 4
%call = call i32 (ptr, ...) @printf(ptr @.str, i32 %0)
ret void
}
declare i32 @printf(ptr, ...)