| 1 | // REQUIRES: x86-registered-target |
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| 2 | // RUN: %clang_cc1 %s -triple i386-apple-darwin10 -fasm-blocks -emit-llvm -o - | opt -strip -S | FileCheck %s |
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| 3 | |
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| 4 | // Some test cases for MS inline asm support from Mozilla code base. |
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| 5 | |
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| 6 | void invoke_copy_to_stack() {} |
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| 7 | |
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| 8 | void invoke(void* that, unsigned methodIndex, |
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| 9 | unsigned paramCount, void* params) |
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| 10 | { |
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| 11 | // CHECK: @invoke |
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| 12 | // CHECK: %5 = alloca i8*, align 4 |
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| 13 | // CHECK: %6 = alloca i32, align 4 |
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| 14 | // CHECK: %7 = alloca i32, align 4 |
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| 15 | // CHECK: %8 = alloca i8*, align 4 |
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| 16 | // CHECK: store i8* %0, i8** %5, align 4 |
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| 17 | // CHECK: store i32 %1, i32* %6, align 4 |
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| 18 | // CHECK: store i32 %2, i32* %7, align 4 |
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| 19 | // CHECK: store i8* %3, i8** %8, align 4 |
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| 20 | // CHECK: call void asm sideeffect inteldialect |
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| 21 | // CHECK-SAME: mov edx,$1 |
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| 22 | // CHECK-SAME: test edx,edx |
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| 23 | // CHECK-SAME: jz {{[^_]*}}__MSASMLABEL_.${:uid}__noparams |
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| 24 | // ^ Can't use {{.*}} here because the matching is greedy. |
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| 25 | // CHECK-SAME: mov eax,edx |
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| 26 | // CHECK-SAME: shl eax,$$3 |
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| 27 | // CHECK-SAME: sub esp,eax |
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| 28 | // CHECK-SAME: mov ecx,esp |
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| 29 | // CHECK-SAME: push $0 |
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| 30 | // CHECK-SAME: call dword ptr $2 |
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| 31 | // CHECK-SAME: {{.*}}__MSASMLABEL_.${:uid}__noparams: |
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| 32 | // CHECK-SAME: mov ecx,$3 |
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| 33 | // CHECK-SAME: push ecx |
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| 34 | // CHECK-SAME: mov edx,[ecx] |
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| 35 | // CHECK-SAME: mov eax,$4 |
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| 36 | // CHECK-SAME: call dword ptr[edx + eax * $$4] |
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| 37 | // CHECK-SAME: mov esp,ebp |
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| 38 | // CHECK-SAME: pop ebp |
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| 39 | // CHECK-SAME: ret |
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| 40 | // CHECK: "=*m,*m,*m,*m,*m,~{eax},~{ebp},~{ecx},~{edx},~{flags},~{esp},~{dirflag},~{fpsr},~{flags}" |
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| 41 | // CHECK: (i8** %8, i32* %7, void (...)* bitcast (void ()* @invoke_copy_to_stack to void (...)*), i8** %5, i32* %6) |
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| 42 | // CHECK: ret void |
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| 43 | __asm { |
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| 44 | mov edx,paramCount |
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| 45 | test edx,edx |
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| 46 | jz noparams |
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| 47 | mov eax,edx |
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| 48 | shl eax,3 |
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| 49 | sub esp,eax |
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| 50 | mov ecx,esp |
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| 51 | push params |
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| 52 | call invoke_copy_to_stack |
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| 53 | noparams: |
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| 54 | mov ecx,that |
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| 55 | push ecx |
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| 56 | mov edx,[ecx] |
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| 57 | mov eax,methodIndex |
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| 58 | call dword ptr[edx+eax*4] |
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| 59 | mov esp,ebp |
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| 60 | pop ebp |
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| 61 | ret |
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| 62 | } |
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| 63 | } |
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| 64 | |
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| 65 | |
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