Imported Upstream version 5.18.0.205

Former-commit-id: 7f59f7e792705db773f1caecdaa823092f4e2927

external/llvm/test/Transforms/SafeStack/X86/escape-gep-store.ll

@@ -0,0 +1,23 @@
+; 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
+
+%struct.pair = type { i32, i32 }
+
+@.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1
+
+; Addr-of struct element. (GEP followed by store).
+;  safestack attribute
+; Requires protector.
+define void @foo() nounwind uwtable safestack {
+entry:
+  ; CHECK: __safestack_unsafe_stack_ptr
+  %c = alloca %struct.pair, align 4
+  %b = alloca i32*, align 8
+  %y = getelementptr inbounds %struct.pair, %struct.pair* %c, i32 0, i32 1
+  store i32* %y, i32** %b, align 8
+  %0 = load i32*, i32** %b, align 8
+  %call = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), i32* %0)
+  ret void
+}
+
+declare i32 @printf(i8*, ...)