llvm-project/llvm/test/CodeGen/AMDGPU/fix-wwm-vgpr-copy.ll

87 lines
2.5 KiB
LLVM

; RUN: llc -mtriple=amdgcn--amdpal -march=amdgcn -mcpu=gfx900 -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
; NOTE: llvm.amdgcn.wwm is deprecated, use llvm.amdgcn.strict.wwm instead.
; GCN-LABEL: wwm:
define amdgpu_hs void @wwm(i32 inreg %arg, <4 x i32> inreg %buffer) {
entry:
br label %work
bb42:
br label %bb602
bb602:
%tmp603 = phi i32 [ 0, %bb42 ], [ 1, %work ]
%tmp607 = icmp eq i32 %tmp603, %tmp1196
br i1 %tmp607, label %bb49, label %bb54
bb49:
call void @llvm.amdgcn.raw.tbuffer.store.f32(float 1.0, <4 x i32> %buffer, i32 4, i32 1, i32 116, i32 1)
ret void
bb54:
ret void
work:
; GCN: s_not_b64 exec, exec
; GCN: v_mov_b32_e32 v[[tmp1189:[0-9]+]], 1
; GCN: s_not_b64 exec, exec
%tmp1189 = tail call i32 @llvm.amdgcn.set.inactive.i32(i32 4, i32 1)
; GCN: s_or_saveexec_b64 s{{\[}}[[LO:[0-9]+]]:[[HI:[0-9]+]]{{\]}}, -1
; GCN: v_lshlrev_b32_e32 v[[tmp1191:[0-9]+]], 2, v[[tmp1189]]
%tmp1191 = mul i32 %tmp1189, 4
; GCN: s_mov_b64 exec, s{{\[}}[[LO]]:[[HI]]{{\]}}
%tmp1196 = tail call i32 @llvm.amdgcn.wwm.i32(i32 %tmp1191)
%tmp34 = icmp eq i32 %arg, 0
br i1 %tmp34, label %bb602, label %bb42
}
; GCN-LABEL: strict_wwm:
define amdgpu_hs void @strict_wwm(i32 inreg %arg, <4 x i32> inreg %buffer) {
entry:
br label %work
bb42:
br label %bb602
bb602:
%tmp603 = phi i32 [ 0, %bb42 ], [ 1, %work ]
%tmp607 = icmp eq i32 %tmp603, %tmp1196
br i1 %tmp607, label %bb49, label %bb54
bb49:
call void @llvm.amdgcn.raw.tbuffer.store.f32(float 1.0, <4 x i32> %buffer, i32 4, i32 1, i32 116, i32 1)
ret void
bb54:
ret void
work:
; GCN: s_not_b64 exec, exec
; GCN: v_mov_b32_e32 v[[tmp1189:[0-9]+]], 1
; GCN: s_not_b64 exec, exec
%tmp1189 = tail call i32 @llvm.amdgcn.set.inactive.i32(i32 4, i32 1)
; GCN: s_or_saveexec_b64 s{{\[}}[[LO:[0-9]+]]:[[HI:[0-9]+]]{{\]}}, -1
; GCN: v_lshlrev_b32_e32 v[[tmp1191:[0-9]+]], 2, v[[tmp1189]]
%tmp1191 = mul i32 %tmp1189, 4
; GCN: s_mov_b64 exec, s{{\[}}[[LO]]:[[HI]]{{\]}}
%tmp1196 = tail call i32 @llvm.amdgcn.strict.wwm.i32(i32 %tmp1191)
%tmp34 = icmp eq i32 %arg, 0
br i1 %tmp34, label %bb602, label %bb42
}
declare i32 @llvm.amdgcn.set.inactive.i32(i32, i32) #0
declare i32 @llvm.amdgcn.wwm.i32(i32) #1
declare i32 @llvm.amdgcn.strict.wwm.i32(i32) #1
declare void @llvm.amdgcn.raw.tbuffer.store.f32(float, <4 x i32>, i32, i32, i32 immarg, i32 immarg) #2
attributes #0 = { convergent nounwind readnone willreturn }
attributes #1 = { convergent nounwind readnone speculatable willreturn }
attributes #2 = { nounwind willreturn writeonly }