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llvm-mirror/test/CodeGen/AMDGPU/fence-barrier.ll
Yaxun Liu 8dc80efd4f LLParser: add an argument for overriding data layout and do not check alloca addr space 
Sometimes users do not specify data layout in LLVM assembly and let llc set the
data layout by target triple after loading the LLVM assembly.

Currently the parser checks alloca address space no matter whether the LLVM
assembly contains data layout definition, which causes false alarm since the
default data layout does not contain the correct alloca address space.

The parser also calls verifier to check debug info and updating invalid debug
info. Currently there is no way to let the verifier to check debug info only.
If the verifier finds non-debug-info issues the parser will fail.

For llc, the fix is to remove the check of alloca addr space in the parser and
disable updating debug info, and defer the updating of debug info and
verification to be after setting data layout of the IR by target.

For other llvm tools, since they do not override data layout by target but
instead can override data layout by a command line option, an argument for
overriding data layout is added to the parser. In cases where data layout
overriding is necessary for the parser, the data layout can be provided by
command line.

Differential Revision: https://reviews.llvm.org/D41832

llvm-svn: 323826
2018-01-30 22:32:39 +00:00

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; RUN: llc -mtriple=amdgcn-amd-amdhsa-amdgiz -mcpu=gfx803 -enable-si-insert-waitcnts=1 -verify-machineinstrs < %s | FileCheck --check-prefix=GCN %s
; RUN: llvm-as -data-layout=A5 < %s | llc -mtriple=amdgcn-amd-amdhsa-amdgiz -mcpu=gfx803 -enable-si-insert-waitcnts=1 -verify-machineinstrs | FileCheck --check-prefix=GCN %s
declare i8 addrspace(2)* @llvm.amdgcn.dispatch.ptr()
declare i8 addrspace(2)* @llvm.amdgcn.implicitarg.ptr()
declare i32 @llvm.amdgcn.workitem.id.x()
declare i32 @llvm.amdgcn.workgroup.id.x()
declare void @llvm.amdgcn.s.barrier()
@test_local.temp = internal addrspace(3) global [1 x i32] undef, align 4
@test_global_local.temp = internal addrspace(3) global [1 x i32] undef, align 4
; GCN-LABEL: {{^}}test_local
; GCN: v_mov_b32_e32 v[[VAL:[0-9]+]], 0x777
; GCN: ds_write_b32 v{{[0-9]+}}, v[[VAL]]
; GCN: s_waitcnt lgkmcnt(0){{$}}
; GCN-NEXT: s_barrier
; GCN: flat_store_dword
define amdgpu_kernel void @test_local(i32 addrspace(1)*) {
%2 = alloca i32 addrspace(1)*, align 4, addrspace(5)
store i32 addrspace(1)* %0, i32 addrspace(1)* addrspace(5)* %2, align 4
%3 = call i32 @llvm.amdgcn.workitem.id.x()
%4 = zext i32 %3 to i64
%5 = icmp eq i64 %4, 0
br i1 %5, label %6, label %7
; <label>:6: ; preds = %1
store i32 1911, i32 addrspace(3)* getelementptr inbounds ([1 x i32], [1 x i32] addrspace(3)* @test_local.temp, i64 0, i64 0), align 4
br label %7
; <label>:7: ; preds = %6, %1
fence syncscope("workgroup") release
call void @llvm.amdgcn.s.barrier()
fence syncscope("workgroup") acquire
%8 = load i32, i32 addrspace(3)* getelementptr inbounds ([1 x i32], [1 x i32] addrspace(3)* @test_local.temp, i64 0, i64 0), align 4
%9 = load i32 addrspace(1)*, i32 addrspace(1)* addrspace(5)* %2, align 4
%10 = call i8 addrspace(2)* @llvm.amdgcn.dispatch.ptr()
%11 = call i32 @llvm.amdgcn.workitem.id.x()
%12 = call i32 @llvm.amdgcn.workgroup.id.x()
%13 = getelementptr inbounds i8, i8 addrspace(2)* %10, i64 4
%14 = bitcast i8 addrspace(2)* %13 to i16 addrspace(2)*
%15 = load i16, i16 addrspace(2)* %14, align 4
%16 = zext i16 %15 to i32
%17 = mul i32 %12, %16
%18 = add i32 %17, %11
%19 = call i8 addrspace(2)* @llvm.amdgcn.implicitarg.ptr()
%20 = zext i32 %18 to i64
%21 = bitcast i8 addrspace(2)* %19 to i64 addrspace(2)*
%22 = load i64, i64 addrspace(2)* %21, align 8
%23 = add i64 %22, %20
%24 = getelementptr inbounds i32, i32 addrspace(1)* %9, i64 %23
store i32 %8, i32 addrspace(1)* %24, align 4
ret void
}
; GCN-LABEL: {{^}}test_global
; GCN: v_add_u32_e32 v{{[0-9]+}}, vcc, 0x888, v{{[0-9]+}}
; GCN: flat_store_dword
; GCN: s_waitcnt vmcnt(0) lgkmcnt(0){{$}}
; GCN-NEXT: s_barrier
define amdgpu_kernel void @test_global(i32 addrspace(1)*) {
%2 = alloca i32 addrspace(1)*, align 4, addrspace(5)
%3 = alloca i32, align 4, addrspace(5)
store i32 addrspace(1)* %0, i32 addrspace(1)* addrspace(5)* %2, align 4
store i32 0, i32 addrspace(5)* %3, align 4
br label %4
; <label>:4: ; preds = %58, %1
%5 = load i32, i32 addrspace(5)* %3, align 4
%6 = sext i32 %5 to i64
%7 = call i8 addrspace(2)* @llvm.amdgcn.dispatch.ptr()
%8 = call i32 @llvm.amdgcn.workitem.id.x()
%9 = call i32 @llvm.amdgcn.workgroup.id.x()
%10 = getelementptr inbounds i8, i8 addrspace(2)* %7, i64 4
%11 = bitcast i8 addrspace(2)* %10 to i16 addrspace(2)*
%12 = load i16, i16 addrspace(2)* %11, align 4
%13 = zext i16 %12 to i32
%14 = mul i32 %9, %13
%15 = add i32 %14, %8
%16 = call i8 addrspace(2)* @llvm.amdgcn.implicitarg.ptr()
%17 = zext i32 %15 to i64
%18 = bitcast i8 addrspace(2)* %16 to i64 addrspace(2)*
%19 = load i64, i64 addrspace(2)* %18, align 8
%20 = add i64 %19, %17
%21 = icmp ult i64 %6, %20
br i1 %21, label %22, label %61
; <label>:22: ; preds = %4
%23 = call i8 addrspace(2)* @llvm.amdgcn.dispatch.ptr()
%24 = call i32 @llvm.amdgcn.workitem.id.x()
%25 = call i32 @llvm.amdgcn.workgroup.id.x()
%26 = getelementptr inbounds i8, i8 addrspace(2)* %23, i64 4
%27 = bitcast i8 addrspace(2)* %26 to i16 addrspace(2)*
%28 = load i16, i16 addrspace(2)* %27, align 4
%29 = zext i16 %28 to i32
%30 = mul i32 %25, %29
%31 = add i32 %30, %24
%32 = call i8 addrspace(2)* @llvm.amdgcn.implicitarg.ptr()
%33 = zext i32 %31 to i64
%34 = bitcast i8 addrspace(2)* %32 to i64 addrspace(2)*
%35 = load i64, i64 addrspace(2)* %34, align 8
%36 = add i64 %35, %33
%37 = add i64 %36, 2184
%38 = trunc i64 %37 to i32
%39 = load i32 addrspace(1)*, i32 addrspace(1)* addrspace(5)* %2, align 4
%40 = load i32, i32 addrspace(5)* %3, align 4
%41 = sext i32 %40 to i64
%42 = call i8 addrspace(2)* @llvm.amdgcn.dispatch.ptr()
%43 = call i32 @llvm.amdgcn.workitem.id.x()
%44 = call i32 @llvm.amdgcn.workgroup.id.x()
%45 = getelementptr inbounds i8, i8 addrspace(2)* %42, i64 4
%46 = bitcast i8 addrspace(2)* %45 to i16 addrspace(2)*
%47 = load i16, i16 addrspace(2)* %46, align 4
%48 = zext i16 %47 to i32
%49 = mul i32 %44, %48
%50 = add i32 %49, %43
%51 = call i8 addrspace(2)* @llvm.amdgcn.implicitarg.ptr()
%52 = zext i32 %50 to i64
%53 = bitcast i8 addrspace(2)* %51 to i64 addrspace(2)*
%54 = load i64, i64 addrspace(2)* %53, align 8
%55 = add i64 %54, %52
%56 = add i64 %41, %55
%57 = getelementptr inbounds i32, i32 addrspace(1)* %39, i64 %56
store i32 %38, i32 addrspace(1)* %57, align 4
fence syncscope("workgroup") release
call void @llvm.amdgcn.s.barrier()
fence syncscope("workgroup") acquire
br label %58
; <label>:58: ; preds = %22
%59 = load i32, i32 addrspace(5)* %3, align 4
%60 = add nsw i32 %59, 1
store i32 %60, i32 addrspace(5)* %3, align 4
br label %4
; <label>:61: ; preds = %4
ret void
}
; GCN-LABEL: {{^}}test_global_local
; GCN: v_mov_b32_e32 v[[VAL:[0-9]+]], 0x999
; GCN: ds_write_b32 v{{[0-9]+}}, v[[VAL]]
; GCN: s_waitcnt vmcnt(0) lgkmcnt(0){{$}}
; GCN-NEXT: s_barrier
; GCN: flat_store_dword
define amdgpu_kernel void @test_global_local(i32 addrspace(1)*) {
%2 = alloca i32 addrspace(1)*, align 4, addrspace(5)
store i32 addrspace(1)* %0, i32 addrspace(1)* addrspace(5)* %2, align 4
%3 = load i32 addrspace(1)*, i32 addrspace(1)* addrspace(5)* %2, align 4
%4 = call i8 addrspace(2)* @llvm.amdgcn.dispatch.ptr()
%5 = call i32 @llvm.amdgcn.workitem.id.x()
%6 = call i32 @llvm.amdgcn.workgroup.id.x()
%7 = getelementptr inbounds i8, i8 addrspace(2)* %4, i64 4
%8 = bitcast i8 addrspace(2)* %7 to i16 addrspace(2)*
%9 = load i16, i16 addrspace(2)* %8, align 4
%10 = zext i16 %9 to i32
%11 = mul i32 %6, %10
%12 = add i32 %11, %5
%13 = call i8 addrspace(2)* @llvm.amdgcn.implicitarg.ptr()
%14 = zext i32 %12 to i64
%15 = bitcast i8 addrspace(2)* %13 to i64 addrspace(2)*
%16 = load i64, i64 addrspace(2)* %15, align 8
%17 = add i64 %16, %14
%18 = getelementptr inbounds i32, i32 addrspace(1)* %3, i64 %17
store i32 1, i32 addrspace(1)* %18, align 4
%19 = call i32 @llvm.amdgcn.workitem.id.x()
%20 = zext i32 %19 to i64
%21 = icmp eq i64 %20, 0
br i1 %21, label %22, label %23
; <label>:22: ; preds = %1
store i32 2457, i32 addrspace(3)* getelementptr inbounds ([1 x i32], [1 x i32] addrspace(3)* @test_global_local.temp, i64 0, i64 0), align 4
br label %23
; <label>:23: ; preds = %22, %1
fence syncscope("workgroup") release
call void @llvm.amdgcn.s.barrier()
fence syncscope("workgroup") acquire
%24 = load i32, i32 addrspace(3)* getelementptr inbounds ([1 x i32], [1 x i32] addrspace(3)* @test_global_local.temp, i64 0, i64 0), align 4
%25 = load i32 addrspace(1)*, i32 addrspace(1)* addrspace(5)* %2, align 4
%26 = call i8 addrspace(2)* @llvm.amdgcn.dispatch.ptr()
%27 = call i32 @llvm.amdgcn.workitem.id.x()
%28 = call i32 @llvm.amdgcn.workgroup.id.x()
%29 = getelementptr inbounds i8, i8 addrspace(2)* %26, i64 4
%30 = bitcast i8 addrspace(2)* %29 to i16 addrspace(2)*
%31 = load i16, i16 addrspace(2)* %30, align 4
%32 = zext i16 %31 to i32
%33 = mul i32 %28, %32
%34 = add i32 %33, %27
%35 = call i8 addrspace(2)* @llvm.amdgcn.implicitarg.ptr()
%36 = zext i32 %34 to i64
%37 = bitcast i8 addrspace(2)* %35 to i64 addrspace(2)*
%38 = load i64, i64 addrspace(2)* %37, align 8
%39 = add i64 %38, %36
%40 = getelementptr inbounds i32, i32 addrspace(1)* %25, i64 %39
store i32 %24, i32 addrspace(1)* %40, align 4
ret void
}
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