[AMDGPU] calling conventions for AMDPAL OS type
Summary:
This commit adds comments on how the AMDPAL OS type overloads the
existing AMDGPU_ calling conventions used by Mesa, and adds a couple of
new ones.
Reviewers: arsenm, nhaehnle, dstuttard
Subscribers: mehdi_amini, kzhuravl, wdng, yaxunl, t-tye, llvm-commits
Differential Revision: https://reviews.llvm.org/D37752
llvm-svn: 314502
diff --git a/llvm/test/CodeGen/AMDGPU/amdpal-cs.ll b/llvm/test/CodeGen/AMDGPU/amdpal-cs.ll
new file mode 100644
index 0000000..d722a4c
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/amdpal-cs.ll
@@ -0,0 +1,13 @@
+; RUN: llc -mtriple=amdgcn--amdpal -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=SI -enable-var-scope %s
+; RUN: llc -mtriple=amdgcn--amdpal -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI -enable-var-scope %s
+; RUN: llc -mtriple=amdgcn--amdpal -mcpu=gfx900 -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=GFX9 -enable-var-scope %s
+
+; amdpal compute shader: check for 47176 (COMPUTE_PGM_RSRC1) in .AMDGPU.config
+; GCN-LABEL: .AMDGPU.config
+; GCN: .long 47176
+; GCN-LABEL: {{^}}cs_amdpal:
+define amdgpu_cs half @cs_amdpal(half %arg0) {
+ %add = fadd half %arg0, 1.0
+ ret half %add
+}
+