9166ce86e8
We need to pass something to functions for this to work. It isn't derivable just from the kernarg segment pointer because the implicit arguments are placed after the kernel arguments. Also fixes missing test for the intrinsic. llvm-svn: 309398
40 lines
1.6 KiB
LLVM
40 lines
1.6 KiB
LLVM
; RUN: llc -mtriple=amdgcn-amd-amdhsa -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,HSA,HSA-NOENV %s
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; RUN: llc -mtriple=amdgcn-amd-amdhsa-opencl -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,HSA,HSA-OPENCL %s
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; RUN: llc -mtriple=amdgcn-mesa-mesa3d -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,MESA %s
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; GCN-LABEL: {{^}}kernel_implicitarg_ptr_empty:
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; GCN: enable_sgpr_kernarg_segment_ptr = 1
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; HSA-NOENV: kernarg_segment_byte_size = 0
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; HSA-OPENCL: kernarg_segment_byte_size = 32
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; MESA: kernarg_segment_byte_size = 16
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; HSA: s_load_dword s0, s[4:5], 0x0
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define amdgpu_kernel void @kernel_implicitarg_ptr_empty() #0 {
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%implicitarg.ptr = call i8 addrspace(2)* @llvm.amdgcn.implicitarg.ptr()
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%cast = bitcast i8 addrspace(2)* %implicitarg.ptr to i32 addrspace(2)*
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%load = load volatile i32, i32 addrspace(2)* %cast
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ret void
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}
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; GCN-LABEL: {{^}}kernel_implicitarg_ptr:
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; GCN: enable_sgpr_kernarg_segment_ptr = 1
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; HSA-NOENV: kernarg_segment_byte_size = 112
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; HSA-OPENCL: kernarg_segment_byte_size = 144
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; MESA: kernarg_segment_byte_size = 464
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; HSA: s_load_dword s0, s[4:5], 0x1c
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define amdgpu_kernel void @kernel_implicitarg_ptr([112 x i8]) #0 {
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%implicitarg.ptr = call i8 addrspace(2)* @llvm.amdgcn.implicitarg.ptr()
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%cast = bitcast i8 addrspace(2)* %implicitarg.ptr to i32 addrspace(2)*
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%load = load volatile i32, i32 addrspace(2)* %cast
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ret void
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}
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declare i8 addrspace(2)* @llvm.amdgcn.implicitarg.ptr() #2
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attributes #0 = { nounwind noinline }
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attributes #1 = { nounwind noinline }
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attributes #2 = { nounwind readnone speculatable }
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