// REQUIRES: x86-registered-target // RUN: %clang_cc1 -no-opaque-pointers %s -triple i386-apple-darwin10 -fasm-blocks -emit-llvm -o - | opt -strip -S | FileCheck %s // Some test cases for MS inline asm support from Mozilla code base. void invoke_copy_to_stack() {} void invoke(void* that, unsigned methodIndex, unsigned paramCount, void* params) { // CHECK: @invoke // CHECK: %5 = alloca i8*, align 4 // CHECK: %6 = alloca i32, align 4 // CHECK: %7 = alloca i32, align 4 // CHECK: %8 = alloca i8*, align 4 // CHECK: store i8* %0, i8** %5, align 4 // CHECK: store i32 %1, i32* %6, align 4 // CHECK: store i32 %2, i32* %7, align 4 // CHECK: store i8* %3, i8** %8, align 4 // CHECK: call void asm sideeffect inteldialect // CHECK-SAME: mov edx,$1 // CHECK-SAME: test edx,edx // CHECK-SAME: jz {{[^_]*}}__MSASMLABEL_.${:uid}__noparams // ^ Can't use {{.*}} here because the matching is greedy. // CHECK-SAME: mov eax,edx // CHECK-SAME: shl eax,$$3 // CHECK-SAME: sub esp,eax // CHECK-SAME: mov ecx,esp // CHECK-SAME: push $0 // CHECK-SAME: call dword ptr ${2:P} // CHECK-SAME: {{.*}}__MSASMLABEL_.${:uid}__noparams: // CHECK-SAME: mov ecx,$3 // CHECK-SAME: push ecx // CHECK-SAME: mov edx,[ecx] // CHECK-SAME: mov eax,$4 // CHECK-SAME: call dword ptr[edx + eax * $$4] // CHECK-SAME: mov esp,ebp // CHECK-SAME: pop ebp // CHECK-SAME: ret // CHECK: "=*m,*m,*m,*m,*m,~{eax},~{ebp},~{ecx},~{edx},~{flags},~{esp},~{dirflag},~{fpsr},~{flags}" // CHECK: (i8** elementtype(i8*) %8, i32* elementtype(i32) %7, void (...)* elementtype(void (...)) bitcast (void ()* @invoke_copy_to_stack to void (...)*), i8** elementtype(i8*) %5, i32* elementtype(i32) %6) // CHECK: ret void __asm { mov edx,paramCount test edx,edx jz noparams mov eax,edx shl eax,3 sub esp,eax mov ecx,esp push params call invoke_copy_to_stack noparams: mov ecx,that push ecx mov edx,[ecx] mov eax,methodIndex call dword ptr[edx+eax*4] mov esp,ebp pop ebp ret } }