llvm/test/CodeGen/AMDGPU/amdgpu-shader-calling-convention.ll
Nicolai Haehnle ea7a0c0467 AMDGPU: Add a shader calling convention
This makes it possible to distinguish between mesa shaders
and other kernels even in the presence of compute shaders.

Patch By: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>

Differential Revision: http://reviews.llvm.org/D18559

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@265589 91177308-0d34-0410-b5e6-96231b3b80d8
2016-04-06 19:40:20 +00:00

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LLVM

; RUN: llc -march=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
; GCN-LABEL: {{^}}shader_cc:
; GCN: v_add_i32_e32 v0, vcc, s8, v0
define amdgpu_cs float @shader_cc(<4 x i32> inreg, <4 x i32> inreg, i32 inreg %w, float %v) {
%vi = bitcast float %v to i32
%x = add i32 %vi, %w
%xf = bitcast i32 %x to float
ret float %xf
}
; GCN-LABEL: {{^}}kernel_cc:
; GCN: s_endpgm
define float @kernel_cc(<4 x i32> inreg, <4 x i32> inreg, i32 inreg %w, float %v) {
%vi = bitcast float %v to i32
%x = add i32 %vi, %w
%xf = bitcast i32 %x to float
ret float %xf
}