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65 lines
1.9 KiB
65 lines
1.9 KiB
4 months ago
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// REQUIRES: x86-registered-target
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// RUN: %clang_cc1 %s -triple i386-apple-darwin10 -fasm-blocks -emit-llvm -o - | opt -strip -S | FileCheck %s
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// Some test cases for MS inline asm support from Mozilla code base.
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void invoke_copy_to_stack() {}
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void invoke(void* that, unsigned methodIndex,
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unsigned paramCount, void* params)
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{
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// CHECK: @invoke
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// CHECK: %5 = alloca i8*, align 4
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// CHECK: %6 = alloca i32, align 4
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// CHECK: %7 = alloca i32, align 4
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// CHECK: %8 = alloca i8*, align 4
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// CHECK: store i8* %0, i8** %5, align 4
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// CHECK: store i32 %1, i32* %6, align 4
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// CHECK: store i32 %2, i32* %7, align 4
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// CHECK: store i8* %3, i8** %8, align 4
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// CHECK: call void asm sideeffect inteldialect
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// CHECK: mov edx,dword ptr $1
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// CHECK: test edx,edx
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// CHECK: jz {{[^_]*}}__MSASMLABEL_.0__noparams
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// ^ Can't use {{.*}} here because the matching is greedy.
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// CHECK: mov eax,edx
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// CHECK: shl eax,$$3
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// CHECK: sub esp,eax
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// CHECK: mov ecx,esp
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// CHECK: push dword ptr $0
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// CHECK: call dword ptr $2
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// CHECK: {{.*}}__MSASMLABEL_.0__noparams:
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// CHECK: mov ecx,dword ptr $3
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// CHECK: push ecx
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// CHECK: mov edx,[ecx]
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// CHECK: mov eax,dword ptr $4
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// CHECK: call dword ptr[edx+eax*$$4]
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// CHECK: mov esp,ebp
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// CHECK: pop ebp
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// CHECK: ret
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// CHECK: "=*m,*m,*m,*m,*m,~{eax},~{ebp},~{ecx},~{edx},~{flags},~{esp},~{dirflag},~{fpsr},~{flags}"
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// CHECK: (i8** %8, i32* %7, void (...)* bitcast (void ()* @invoke_copy_to_stack to void (...)*), i8** %5, i32* %6)
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// CHECK: ret void
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__asm {
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mov edx,paramCount
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test edx,edx
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jz noparams
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mov eax,edx
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shl eax,3
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sub esp,eax
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mov ecx,esp
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push params
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call invoke_copy_to_stack
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noparams:
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mov ecx,that
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push ecx
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mov edx,[ecx]
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mov eax,methodIndex
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call dword ptr[edx+eax*4]
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mov esp,ebp
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pop ebp
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ret
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}
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}
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