AMDGPU: Mark all unspecified CC functions in tests as amdgpu_kernel

Currently the default C calling convention functions are treated
the same as compute kernels. Make this explicit so the default
calling convention can be changed to a non-kernel.

Converted with perl -pi -e 's/define void/define amdgpu_kernel void/'
on the relevant test directories (and undoing in one place that actually
wanted a non-kernel).

llvm-svn: 298444
diff --git a/llvm/test/CodeGen/AMDGPU/addrspacecast-captured.ll b/llvm/test/CodeGen/AMDGPU/addrspacecast-captured.ll
index 481a3e2..138bc36 100644
--- a/llvm/test/CodeGen/AMDGPU/addrspacecast-captured.ll
+++ b/llvm/test/CodeGen/AMDGPU/addrspacecast-captured.ll
@@ -9,7 +9,7 @@
 ; CHECK: %cast = addrspacecast i32* %data to i32 addrspace(4)*
 ; CHECK: %ptr2int = ptrtoint i32 addrspace(4)* %cast to i32
 ; CHECK: store i32 %ptr2int, i32 addrspace(1)* %out
-define void @addrspacecast_captured(i32 addrspace(1)* %out) #0 {
+define amdgpu_kernel void @addrspacecast_captured(i32 addrspace(1)* %out) #0 {
 entry:
   %data = alloca i32, align 4
   %cast = addrspacecast i32* %data to i32 addrspace(4)*
@@ -22,7 +22,7 @@
 ; CHECK: %data = alloca i32, align 4
 ; CHECK: %cast = addrspacecast i32* %data to i32 addrspace(4)*
 ; CHECK: store i32 addrspace(4)* %cast, i32 addrspace(4)* addrspace(1)* %out
-define void @addrspacecast_captured_store(i32 addrspace(4)* addrspace(1)* %out) #0 {
+define amdgpu_kernel void @addrspacecast_captured_store(i32 addrspace(4)* addrspace(1)* %out) #0 {
 entry:
   %data = alloca i32, align 4
   %cast = addrspacecast i32* %data to i32 addrspace(4)*
@@ -35,7 +35,7 @@
 ; CHECK: %cast = addrspacecast i32* %data to i32 addrspace(4)*
 ; CHECK: %ptr2int = ptrtoint i32 addrspace(4)* %cast to i32
 ; CHECK: call void @consume_ptr2int(i32 %ptr2int)
-define void @addrspacecast_captured_call() #0 {
+define amdgpu_kernel void @addrspacecast_captured_call() #0 {
 entry:
   %data = alloca i32, align 4
   %cast = addrspacecast i32* %data to i32 addrspace(4)*