| // REQUIRES: x86-registered-target |
| // RUN: %clang_cc1 %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: mov edx,dword ptr $1 |
| // CHECK: test edx,edx |
| // CHECK: jz {{[^_]*}}__MSASMLABEL_.0__noparams |
| // ^ Can't use {{.*}} here because the matching is greedy. |
| // CHECK: mov eax,edx |
| // CHECK: shl eax,$$3 |
| // CHECK: sub esp,eax |
| // CHECK: mov ecx,esp |
| // CHECK: push dword ptr $0 |
| // CHECK: call dword ptr $2 |
| // CHECK: {{.*}}__MSASMLABEL_.0__noparams: |
| // CHECK: mov ecx,dword ptr $3 |
| // CHECK: push ecx |
| // CHECK: mov edx,[ecx] |
| // CHECK: mov eax,dword ptr $4 |
| // CHECK: call dword ptr[edx+eax*$$4] |
| // CHECK: mov esp,ebp |
| // CHECK: pop ebp |
| // CHECK: ret |
| // CHECK: "=*m,*m,*m,*m,*m,~{eax},~{ebp},~{ecx},~{edx},~{flags},~{esp},~{dirflag},~{fpsr},~{flags}" |
| // CHECK: (i8** %8, i32* %7, void (...)* bitcast (void ()* @invoke_copy_to_stack to void (...)*), i8** %5, 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 |
| } |
| } |
| |