AMDGPU/SI: Remove calling convention assertion from LowerFormalArguments()

Summary:
We currently ignore the calling convention, so there is no real reason to
assert on the calling convention of functions.

Reviewers: arsenm

Subscribers: arsenm, llvm-commits

Differential Revision: http://reviews.llvm.org/D13367

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249468 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/AMDGPU/SIISelLowering.cpp b/lib/Target/AMDGPU/SIISelLowering.cpp
index b4b439c2a96a68dc0c896e0d9cbd28653db1f08c..804b5e6075e1b4f185b8f74142ca950d90664627 100644 (file)
--- a/lib/Target/AMDGPU/SIISelLowering.cpp
+++ b/lib/Target/AMDGPU/SIISelLowering.cpp
@@ -510,7 +510,7 @@ SDValue SITargetLowering::LowerFormalArguments(
   FunctionType *FType = MF.getFunction()->getFunctionType();
   SIMachineFunctionInfo *Info = MF.getInfo<SIMachineFunctionInfo>();
 
-  assert(CallConv == CallingConv::C);
+  // FIXME: We currently assume all calling conventions are kernels.
 
   SmallVector<ISD::InputArg, 16> Splits;
   BitVector Skipped(Ins.size());

diff --git a/test/CodeGen/AMDGPU/calling-conventions.ll b/test/CodeGen/AMDGPU/calling-conventions.ll
new file mode 100644 (file)
index 0000000..57adc8b
--- /dev/null
+++ b/test/CodeGen/AMDGPU/calling-conventions.ll
@@ -0,0 +1,20 @@
+; RUN: llc < %s -march=amdgcn -mcpu=SI -verify-machineinstrs | FileCheck --check-prefix=SI %s
+
+; Make sure we don't crash or assert on spir_kernel calling convention.
+
+; SI-LABEL: {{^}}kernel:
+; SI: s_endpgm
+define spir_kernel void @kernel(i32 addrspace(1)* %out) {
+entry:
+  store i32 0, i32 addrspace(1)* %out
+  ret void
+}
+
+; FIXME: This is treated like a kernel
+; SI-LABEL: {{^}}func:
+; SI: s_endpgm
+define spir_func void @func(i32 addrspace(1)* %out) {
+entry:
+  store i32 0, i32 addrspace(1)* %out
+  ret void
+}