summaryrefslogtreecommitdiff
path: root/test/CodeGen/AMDGPU/target-cpu.ll
diff options
context:
space:
mode:
Diffstat (limited to 'test/CodeGen/AMDGPU/target-cpu.ll')
-rw-r--r--test/CodeGen/AMDGPU/target-cpu.ll112
1 files changed, 112 insertions, 0 deletions
diff --git a/test/CodeGen/AMDGPU/target-cpu.ll b/test/CodeGen/AMDGPU/target-cpu.ll
new file mode 100644
index 0000000000000..c1662acbf2a09
--- /dev/null
+++ b/test/CodeGen/AMDGPU/target-cpu.ll
@@ -0,0 +1,112 @@
+; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck %s
+
+declare i8 addrspace(2)* @llvm.amdgcn.kernarg.segment.ptr() #1
+
+declare i32 @llvm.amdgcn.workitem.id.x() #1
+
+; CI+ intrinsic
+declare void @llvm.amdgcn.s.dcache.inv.vol() #0
+
+; VI+ intrinsic
+declare void @llvm.amdgcn.s.dcache.wb() #0
+
+; CHECK-LABEL: {{^}}target_none:
+; CHECK: s_movk_i32 [[OFFSETREG:s[0-9]+]], 0x400
+; CHECK: s_load_dwordx2 s{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, [[OFFSETREG]]
+; CHECK: buffer_store_dword v{{[0-9]+}}, v{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0 addr64
+define void @target_none() #0 {
+ %kernargs = call i8 addrspace(2)* @llvm.amdgcn.kernarg.segment.ptr()
+ %kernargs.gep = getelementptr inbounds i8, i8 addrspace(2)* %kernargs, i64 1024
+ %kernargs.gep.cast = bitcast i8 addrspace(2)* %kernargs.gep to i32 addrspace(1)* addrspace(2)*
+ %ptr = load i32 addrspace(1)*, i32 addrspace(1)* addrspace(2)* %kernargs.gep.cast
+ %id = call i32 @llvm.amdgcn.workitem.id.x()
+ %id.ext = sext i32 %id to i64
+ %gep = getelementptr inbounds i32, i32 addrspace(1)* %ptr, i64 %id.ext
+ store i32 0, i32 addrspace(1)* %gep
+ ret void
+}
+
+; CHECK-LABEL: {{^}}target_tahiti:
+; CHECK: s_movk_i32 [[OFFSETREG:s[0-9]+]], 0x400
+; CHECK: s_load_dwordx2 s{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, [[OFFSETREG]]
+; CHECK: buffer_store_dword v{{[0-9]+}}, v{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0 addr64
+define void @target_tahiti() #1 {
+ %kernargs = call i8 addrspace(2)* @llvm.amdgcn.kernarg.segment.ptr()
+ %kernargs.gep = getelementptr inbounds i8, i8 addrspace(2)* %kernargs, i64 1024
+ %kernargs.gep.cast = bitcast i8 addrspace(2)* %kernargs.gep to i32 addrspace(1)* addrspace(2)*
+ %ptr = load i32 addrspace(1)*, i32 addrspace(1)* addrspace(2)* %kernargs.gep.cast
+ %id = call i32 @llvm.amdgcn.workitem.id.x()
+ %id.ext = sext i32 %id to i64
+ %gep = getelementptr inbounds i32, i32 addrspace(1)* %ptr, i64 %id.ext
+ store i32 0, i32 addrspace(1)* %gep
+ ret void
+}
+
+; CHECK-LABEL: {{^}}target_bonaire:
+; CHECK: s_load_dwordx2 s{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0x100
+; CHECK: buffer_store_dword v{{[0-9]+}}, v{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0 addr64
+; CHECK: s_dcache_inv_vol
+define void @target_bonaire() #3 {
+ %kernargs = call i8 addrspace(2)* @llvm.amdgcn.kernarg.segment.ptr()
+ %kernargs.gep = getelementptr inbounds i8, i8 addrspace(2)* %kernargs, i64 1024
+ %kernargs.gep.cast = bitcast i8 addrspace(2)* %kernargs.gep to i32 addrspace(1)* addrspace(2)*
+ %ptr = load i32 addrspace(1)*, i32 addrspace(1)* addrspace(2)* %kernargs.gep.cast
+ %id = call i32 @llvm.amdgcn.workitem.id.x()
+ %id.ext = sext i32 %id to i64
+ %gep = getelementptr inbounds i32, i32 addrspace(1)* %ptr, i64 %id.ext
+ store i32 0, i32 addrspace(1)* %gep
+ call void @llvm.amdgcn.s.dcache.inv.vol()
+ ret void
+}
+
+; CHECK-LABEL: {{^}}target_fiji:
+; CHECK: s_load_dwordx2 s{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0x400
+; CHECK: flat_store_dword
+; CHECK: s_dcache_wb{{$}}
+define void @target_fiji() #4 {
+ %kernargs = call i8 addrspace(2)* @llvm.amdgcn.kernarg.segment.ptr()
+ %kernargs.gep = getelementptr inbounds i8, i8 addrspace(2)* %kernargs, i64 1024
+ %kernargs.gep.cast = bitcast i8 addrspace(2)* %kernargs.gep to i32 addrspace(1)* addrspace(2)*
+ %ptr = load i32 addrspace(1)*, i32 addrspace(1)* addrspace(2)* %kernargs.gep.cast
+ %id = call i32 @llvm.amdgcn.workitem.id.x()
+ %id.ext = sext i32 %id to i64
+ %gep = getelementptr inbounds i32, i32 addrspace(1)* %ptr, i64 %id.ext
+ store i32 0, i32 addrspace(1)* %gep
+ call void @llvm.amdgcn.s.dcache.wb()
+ ret void
+}
+
+; CHECK-LABEL: {{^}}promote_alloca_enabled:
+; CHECK: ds_read_b32
+; CHECK: ; LDSByteSize: 5120
+define void @promote_alloca_enabled(i32 addrspace(1)* nocapture %out, i32 addrspace(1)* nocapture %in) #5 {
+entry:
+ %stack = alloca [5 x i32], align 4
+ %tmp = load i32, i32 addrspace(1)* %in, align 4
+ %arrayidx1 = getelementptr inbounds [5 x i32], [5 x i32]* %stack, i32 0, i32 %tmp
+ %load = load i32, i32* %arrayidx1
+ store i32 %load, i32 addrspace(1)* %out
+ ret void
+}
+
+; CHECK-LABEL: {{^}}promote_alloca_disabled:
+; CHECK: SCRATCH_RSRC_DWORD0
+; CHECK: SCRATCH_RSRC_DWORD1
+; CHECK: ScratchSize: 24
+define void @promote_alloca_disabled(i32 addrspace(1)* nocapture %out, i32 addrspace(1)* nocapture %in) #6 {
+entry:
+ %stack = alloca [5 x i32], align 4
+ %tmp = load i32, i32 addrspace(1)* %in, align 4
+ %arrayidx1 = getelementptr inbounds [5 x i32], [5 x i32]* %stack, i32 0, i32 %tmp
+ %load = load i32, i32* %arrayidx1
+ store i32 %load, i32 addrspace(1)* %out
+ ret void
+}
+
+attributes #0 = { nounwind }
+attributes #1 = { nounwind readnone }
+attributes #2 = { nounwind "target-cpu"="tahiti" }
+attributes #3 = { nounwind "target-cpu"="bonaire" }
+attributes #4 = { nounwind "target-cpu"="fiji" }
+attributes #5 = { nounwind "target-features"="+promote-alloca" "amdgpu-max-waves-per-eu"="3" }
+attributes #6 = { nounwind "target-features"="-promote-alloca" "amdgpu-max-waves-per-eu"="3" }