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Summary: The 's' constraint represents sgprs and the 'v' constraint represents vgprs. Reviewers: arsenm, echristo Subscribers: arsenm, llvm-commits Differential Revision: http://reviews.llvm.org/D15342 llvm-svn: 255203
24 lines
1.4 KiB
LLVM
24 lines
1.4 KiB
LLVM
; RUN: llc < %s -march=amdgcn -mcpu=bonaire -verify-machineinstrs | FileCheck --check-prefix=GCN %s
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; RUN: llc < %s -march=amdgcn -mcpu=tonga -verify-machineinstrs | FileCheck --check-prefix=GCN %s
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; GCN-LABEL: {{^}}inline_reg_constraints:
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; GCN: flat_load_dword v{{[0-9]+}}, v[{{[0-9]+:[0-9]+}}]
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; GCN: flat_load_dwordx2 v[{{[0-9]+:[0-9]+}}], v[{{[0-9]+:[0-9]+}}]
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; GCN: flat_load_dwordx4 v[{{[0-9]+:[0-9]+}}], v[{{[0-9]+:[0-9]+}}]
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; GCN: s_load_dword s{{[0-9]+}}, s[{{[0-9]+:[0-9]+}}]
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; GCN: s_load_dwordx2 s[{{[0-9]+:[0-9]+}}], s[{{[0-9]+:[0-9]+}}]
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; GCN: s_load_dwordx4 s[{{[0-9]+:[0-9]+}}], s[{{[0-9]+:[0-9]+}}]
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; GCN: s_load_dwordx8 s[{{[0-9]+:[0-9]+}}], s[{{[0-9]+:[0-9]+}}]
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define void @inline_reg_constraints(i32 addrspace(1)* %ptr) {
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entry:
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%v32 = tail call i32 asm sideeffect "flat_load_dword $0, $1", "=v,v"(i32 addrspace(1)* %ptr)
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%v64 = tail call <2 x i32> asm sideeffect "flat_load_dwordx2 $0, $1", "=v,v"(i32 addrspace(1)* %ptr)
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%v128 = tail call <4 x i32> asm sideeffect "flat_load_dwordx4 $0, $1", "=v,v"(i32 addrspace(1)* %ptr)
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%s32 = tail call i32 asm sideeffect "s_load_dword $0, $1", "=s,s"(i32 addrspace(1)* %ptr)
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%s64 = tail call <2 x i32> asm sideeffect "s_load_dwordx2 $0, $1", "=s,s"(i32 addrspace(1)* %ptr)
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%s128 = tail call <4 x i32> asm sideeffect "s_load_dwordx4 $0, $1", "=s,s"(i32 addrspace(1)* %ptr)
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%s256 = tail call <8 x i32> asm sideeffect "s_load_dwordx8 $0, $1", "=s,s"(i32 addrspace(1)* %ptr)
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ret void
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}
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