Hi rnk,
I'm planning on upstreaming some test cases for the inline assembly
usage in the Mozilla code base. A lot of these test cases test the
recent fixes to this code.
http://reviews.llvm.org/D4508
Files:
test/CodeGen/mozilla-ms-inline-asm.c
Index: test/CodeGen/mozilla-ms-inline-asm.c
===================================================================
--- /dev/null
+++ test/CodeGen/mozilla-ms-inline-asm.c
@@ -0,0 +1,41 @@
+// REQUIRES: x86-registered-target
+// RUN: %clang_cc1 %s -triple i386-apple-darwin10 -fasm-blocks -emit-llvm -o -
| FileCheck %s
+
+// Some test cases for MS inline asm support from Mozilla code base.
+
+void invoke(void* that, unsigned methodIndex,
+ unsigned paramCount, void* params)
+{
+// CHECK: @invoke
+// CHECK: %that.addr = alloca i8*, align 4
+// CHECK: %methodIndex.addr = alloca i32, align 4
+// CHECK: %paramCount.addr = alloca i32, align 4
+// CHECK: %params.addr = alloca i8*, align 4
+// CHECK: store i8* %that, i8** %that.addr, align 4
+// CHECK: store i32 %methodIndex, i32* %methodIndex.addr, align 4
+// CHECK: store i32 %paramCount, i32* %paramCount.addr, align 4
+// CHECK: store i8* %params, i8** %params.addr, align 4
+// CHECK: call void asm sideeffect inteldialect "mov edx,dword ptr
$1\0A\09test edx,edx\0A\09jz noparams\0A\09mov eax,edx\0A\09shl
eax,$$3\0A\09sub esp,eax\0A\09mov ecx,esp\0A\09push dword ptr $0\0A\09call
invoke_copy_to_stack\0A\09noparams:\0A\09mov ecx,dword ptr $2\0A\09push
ecx\0A\09mov edx,[ecx]\0A\09mov eax,dword ptr $3\0A\09call dword
ptr[edx+eax*$$4]\0A\09mov esp,ebp\0A\09pop ebp\0A\09ret",
"=*m,*m,*m,*m,~{eax},~{ebp},~{ecx},~{edx},~{flags},~{esp},~{dirflag},~{fpsr},~{flags}"(i8**
%params.addr, i32* %paramCount.addr, i8** %that.addr, i32* %methodIndex.addr)
#1
+// 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
+ }
+}
+
Index: test/CodeGen/mozilla-ms-inline-asm.c
===================================================================
--- /dev/null
+++ test/CodeGen/mozilla-ms-inline-asm.c
@@ -0,0 +1,41 @@
+// REQUIRES: x86-registered-target
+// RUN: %clang_cc1 %s -triple i386-apple-darwin10 -fasm-blocks -emit-llvm -o - | FileCheck %s
+
+// Some test cases for MS inline asm support from Mozilla code base.
+
+void invoke(void* that, unsigned methodIndex,
+ unsigned paramCount, void* params)
+{
+// CHECK: @invoke
+// CHECK: %that.addr = alloca i8*, align 4
+// CHECK: %methodIndex.addr = alloca i32, align 4
+// CHECK: %paramCount.addr = alloca i32, align 4
+// CHECK: %params.addr = alloca i8*, align 4
+// CHECK: store i8* %that, i8** %that.addr, align 4
+// CHECK: store i32 %methodIndex, i32* %methodIndex.addr, align 4
+// CHECK: store i32 %paramCount, i32* %paramCount.addr, align 4
+// CHECK: store i8* %params, i8** %params.addr, align 4
+// CHECK: call void asm sideeffect inteldialect "mov edx,dword ptr $1\0A\09test edx,edx\0A\09jz noparams\0A\09mov eax,edx\0A\09shl eax,$$3\0A\09sub esp,eax\0A\09mov ecx,esp\0A\09push dword ptr $0\0A\09call invoke_copy_to_stack\0A\09noparams:\0A\09mov ecx,dword ptr $2\0A\09push ecx\0A\09mov edx,[ecx]\0A\09mov eax,dword ptr $3\0A\09call dword ptr[edx+eax*$$4]\0A\09mov esp,ebp\0A\09pop ebp\0A\09ret", "=*m,*m,*m,*m,~{eax},~{ebp},~{ecx},~{edx},~{flags},~{esp},~{dirflag},~{fpsr},~{flags}"(i8** %params.addr, i32* %paramCount.addr, i8** %that.addr, i32* %methodIndex.addr) #1
+// 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
+ }
+}
+
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