; RUN: opt -passes=always-inline -S < %s | FileCheck %s ; We used to misclassify inalloca as a static alloca in the inliner. This only ; arose with for alwaysinline functions, because the normal inliner refuses to ; inline such things. ; Generated using this C++ source: ; struct Foo { ; Foo(); ; Foo(const Foo &o); ; ~Foo(); ; int a; ; }; ; __forceinline void h(Foo o) {} ; __forceinline void g() { h(Foo()); } ; void f() { g(); } ; ModuleID = 't.cpp' source_filename = "t.cpp" target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32" target triple = "i386-pc-windows-msvc19.0.24210" %struct.Foo = type { i32 } declare ptr @llvm.stacksave() declare void @llvm.stackrestore(ptr) declare x86_thiscallcc ptr @"\01??0Foo@@QAE@XZ"(ptr returned) unnamed_addr declare x86_thiscallcc void @"\01??1Foo@@QAE@XZ"(ptr) unnamed_addr define void @f() { entry: call void @g() ret void } define internal void @g() alwaysinline { entry: %inalloca.save = call ptr @llvm.stacksave() %argmem = alloca inalloca <{ %struct.Foo }>, align 4 %call = call x86_thiscallcc ptr @"\01??0Foo@@QAE@XZ"(ptr %argmem) call void @h(ptr inalloca(<{ %struct.Foo }>) %argmem) call void @llvm.stackrestore(ptr %inalloca.save) ret void } ; Function Attrs: alwaysinline inlinehint nounwind define internal void @h(ptr inalloca(<{ %struct.Foo }>)) alwaysinline { entry: call x86_thiscallcc void @"\01??1Foo@@QAE@XZ"(ptr %0) ret void } ; CHECK: define void @f() ; CHECK: %[[STACKSAVE:.*]] = call ptr @llvm.stacksave.p0() ; CHECK: %[[ARGMEM:.*]] = alloca inalloca <{ %struct.Foo }>, align 4 ; CHECK: %[[CALL:.*]] = call x86_thiscallcc ptr @"\01??0Foo@@QAE@XZ"(ptr %[[ARGMEM]]) ; CHECK: call x86_thiscallcc void @"\01??1Foo@@QAE@XZ"(ptr %[[ARGMEM]]) ; CHECK: call void @llvm.stackrestore.p0(ptr %[[STACKSAVE]]) ; CHECK: ret void