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llvm-project/llvm/test/CodeGen/AMDGPU/lower-buffer-fat-pointers-unoptimized-debug-data.ll
Nikita Popov 6fc63ab77d
[AMDGPULowerBufferFatPointers] Simplify and fix GEP offset emission (#95115) 
Use emitGEPOffset() to emit the GEP offset, which already has all the
necessary logic.

This also fixes the nuw flag incorrectly being set on the offset
calculation, while only nsw is implied by inbounds.
2024-06-12 09:51:18 +02:00

128 lines
10 KiB
LLVM
Raw Blame History

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
; RUN: opt -S -mcpu=gfx900 -amdgpu-lower-buffer-fat-pointers -check-debugify < %s | FileCheck %s
; RUN: opt -S -mcpu=gfx900 -passes=amdgpu-lower-buffer-fat-pointers,check-debugify < %s | FileCheck %s
target datalayout = "e-p:64:64-p1:64:64-p2:32:32-p3:32:32-p4:64:64-p5:32:32-p6:32:32-p7:160:256:256:32-p8:128:128-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64-S32-A5-G1-ni:7:8"
target triple = "amdgcn--"
define float @debug_stash_pointer(ptr addrspace(8) %buf, i32 %idx, ptr addrspace(8) %aux) !dbg !5 {
; CHECK-LABEL: define float @debug_stash_pointer
; CHECK-SAME: (ptr addrspace(8) [[BUF:%.*]], i32 [[IDX:%.*]], ptr addrspace(8) [[AUX:%.*]]) #[[ATTR0:[0-9]+]] !dbg [[DBG5:![0-9]+]] {
; CHECK-NEXT: [[BUF_PTR_VAR:%.*]] = alloca i160, align 32, addrspace(5), !dbg [[DBG21:![0-9]+]]
; CHECK-NEXT: tail call void @llvm.dbg.value(metadata ptr addrspace(5) [[BUF_PTR_VAR]], metadata [[META10:![0-9]+]], metadata !DIExpression()), !dbg [[DBG21]]
; CHECK-NEXT: [[AUX_PTR_VAR:%.*]] = alloca i160, align 32, addrspace(5), !dbg [[DBG22:![0-9]+]]
; CHECK-NEXT: tail call void @llvm.dbg.value(metadata ptr addrspace(5) [[AUX_PTR_VAR]], metadata [[META12:![0-9]+]], metadata !DIExpression()), !dbg [[DBG22]]
; CHECK-NEXT: tail call void @llvm.dbg.value(metadata { ptr addrspace(8), i32 } undef, metadata [[META13:![0-9]+]], metadata !DIExpression()), !dbg [[DBG23:![0-9]+]]
; CHECK-NEXT: [[BUF_PTR_INT_RSRC:%.*]] = ptrtoint ptr addrspace(8) [[BUF]] to i160, !dbg [[DBG24:![0-9]+]]
; CHECK-NEXT: [[TMP1:%.*]] = shl nuw i160 [[BUF_PTR_INT_RSRC]], 32, !dbg [[DBG24]]
; CHECK-NEXT: [[BUF_PTR_INT:%.*]] = or i160 [[TMP1]], 0, !dbg [[DBG24]]
; CHECK-NEXT: store i160 [[BUF_PTR_INT]], ptr addrspace(5) [[BUF_PTR_VAR]], align 32, !dbg [[DBG24]]
; CHECK-NEXT: tail call void @llvm.dbg.value(metadata { ptr addrspace(8), i32 } undef, metadata [[META15:![0-9]+]], metadata !DIExpression()), !dbg [[DBG25:![0-9]+]]
; CHECK-NEXT: [[AUX_PTR_INT_RSRC:%.*]] = ptrtoint ptr addrspace(8) [[AUX]] to i160, !dbg [[DBG26:![0-9]+]]
; CHECK-NEXT: [[TMP2:%.*]] = shl nuw i160 [[AUX_PTR_INT_RSRC]], 32, !dbg [[DBG26]]
; CHECK-NEXT: [[AUX_PTR_INT:%.*]] = or i160 [[TMP2]], 0, !dbg [[DBG26]]
; CHECK-NEXT: store i160 [[AUX_PTR_INT]], ptr addrspace(5) [[AUX_PTR_VAR]], align 32, !dbg [[DBG26]]
; CHECK-NEXT: [[BUF_PTR_2:%.*]] = load i160, ptr addrspace(5) [[BUF_PTR_VAR]], align 32, !dbg [[DBG27:![0-9]+]]
; CHECK-NEXT: [[TMP3:%.*]] = lshr i160 [[BUF_PTR_2]], 32, !dbg [[DBG27]]
; CHECK-NEXT: [[TMP4:%.*]] = trunc i160 [[TMP3]] to i128, !dbg [[DBG27]]
; CHECK-NEXT: [[BUF_PTR_2_PTR_RSRC:%.*]] = inttoptr i128 [[TMP4]] to ptr addrspace(8), !dbg [[DBG27]]
; CHECK-NEXT: [[BUF_PTR_2_PTR_OFF:%.*]] = trunc i160 [[BUF_PTR_2]] to i32, !dbg [[DBG27]]
; CHECK-NEXT: tail call void @llvm.dbg.value(metadata { ptr addrspace(8), i32 } undef, metadata [[META16:![0-9]+]], metadata !DIExpression()), !dbg [[DBG27]]
; CHECK-NEXT: [[BUF_PTR_3_IDX:%.*]] = mul i32 [[IDX]], 4, !dbg [[DBG28:![0-9]+]]
; CHECK-NEXT: [[BUF_PTR_3:%.*]] = add i32 [[BUF_PTR_2_PTR_OFF]], [[BUF_PTR_3_IDX]], !dbg [[DBG28]]
; CHECK-NEXT: tail call void @llvm.dbg.value(metadata { ptr addrspace(8), i32 } undef, metadata [[META17:![0-9]+]], metadata !DIExpression()), !dbg [[DBG28]]
; CHECK-NEXT: [[BUF_PTR_3_INT_RSRC:%.*]] = ptrtoint ptr addrspace(8) [[BUF_PTR_2_PTR_RSRC]] to i160, !dbg [[DBG29:![0-9]+]]
; CHECK-NEXT: [[TMP5:%.*]] = shl nuw i160 [[BUF_PTR_3_INT_RSRC]], 32, !dbg [[DBG29]]
; CHECK-NEXT: [[BUF_PTR_3_INT_OFF:%.*]] = zext i32 [[BUF_PTR_3]] to i160, !dbg [[DBG29]]
; CHECK-NEXT: [[BUF_PTR_3_INT:%.*]] = or i160 [[TMP5]], [[BUF_PTR_3_INT_OFF]], !dbg [[DBG29]]
; CHECK-NEXT: store i160 [[BUF_PTR_3_INT]], ptr addrspace(5) [[BUF_PTR_VAR]], align 32, !dbg [[DBG29]]
; CHECK-NEXT: [[BUF_PTR_4:%.*]] = load i160, ptr addrspace(5) [[BUF_PTR_VAR]], align 32, !dbg [[DBG30:![0-9]+]]
; CHECK-NEXT: [[TMP6:%.*]] = lshr i160 [[BUF_PTR_4]], 32, !dbg [[DBG30]]
; CHECK-NEXT: [[TMP7:%.*]] = trunc i160 [[TMP6]] to i128, !dbg [[DBG30]]
; CHECK-NEXT: [[BUF_PTR_4_PTR_RSRC:%.*]] = inttoptr i128 [[TMP7]] to ptr addrspace(8), !dbg [[DBG30]]
; CHECK-NEXT: [[BUF_PTR_4_PTR_OFF:%.*]] = trunc i160 [[BUF_PTR_4]] to i32, !dbg [[DBG30]]
; CHECK-NEXT: tail call void @llvm.dbg.value(metadata { ptr addrspace(8), i32 } undef, metadata [[META18:![0-9]+]], metadata !DIExpression()), !dbg [[DBG30]]
; CHECK-NEXT: [[RET:%.*]] = call float @llvm.amdgcn.raw.ptr.buffer.load.f32(ptr addrspace(8) align 4 [[BUF_PTR_4_PTR_RSRC]], i32 [[BUF_PTR_4_PTR_OFF]], i32 0, i32 0), !dbg [[DBG31:![0-9]+]]
; CHECK-NEXT: tail call void @llvm.dbg.value(metadata float [[RET]], metadata [[META19:![0-9]+]], metadata !DIExpression()), !dbg [[DBG31]]
; CHECK-NEXT: [[AUX_PTR_2:%.*]] = load i160, ptr addrspace(5) [[AUX_PTR_VAR]], align 32, !dbg [[DBG32:![0-9]+]]
; CHECK-NEXT: [[TMP8:%.*]] = lshr i160 [[AUX_PTR_2]], 32, !dbg [[DBG32]]
; CHECK-NEXT: [[TMP9:%.*]] = trunc i160 [[TMP8]] to i128, !dbg [[DBG32]]
; CHECK-NEXT: [[AUX_PTR_2_PTR_RSRC:%.*]] = inttoptr i128 [[TMP9]] to ptr addrspace(8), !dbg [[DBG32]]
; CHECK-NEXT: [[AUX_PTR_2_PTR_OFF:%.*]] = trunc i160 [[AUX_PTR_2]] to i32, !dbg [[DBG32]]
; CHECK-NEXT: tail call void @llvm.dbg.value(metadata { ptr addrspace(8), i32 } undef, metadata [[META20:![0-9]+]], metadata !DIExpression()), !dbg [[DBG32]]
; CHECK-NEXT: [[BUF_PTR_4_PTR_INT_RSRC:%.*]] = ptrtoint ptr addrspace(8) [[BUF_PTR_4_PTR_RSRC]] to i160, !dbg [[DBG33:![0-9]+]]
; CHECK-NEXT: [[TMP10:%.*]] = shl nuw i160 [[BUF_PTR_4_PTR_INT_RSRC]], 32, !dbg [[DBG33]]
; CHECK-NEXT: [[BUF_PTR_4_PTR_INT_OFF:%.*]] = zext i32 [[BUF_PTR_4_PTR_OFF]] to i160, !dbg [[DBG33]]
; CHECK-NEXT: [[BUF_PTR_4_PTR_INT:%.*]] = or i160 [[TMP10]], [[BUF_PTR_4_PTR_INT_OFF]], !dbg [[DBG33]]
; CHECK-NEXT: call void @llvm.amdgcn.raw.ptr.buffer.store.i160(i160 [[BUF_PTR_4_PTR_INT]], ptr addrspace(8) align 32 [[AUX_PTR_2_PTR_RSRC]], i32 [[AUX_PTR_2_PTR_OFF]], i32 0, i32 0), !dbg [[DBG33]]
; CHECK-NEXT: ret float [[RET]], !dbg [[DBG34:![0-9]+]]
;
%buf.ptr.var = alloca ptr addrspace(7), align 32, addrspace(5), !dbg !20
call void @llvm.dbg.value(metadata ptr addrspace(5) %buf.ptr.var, metadata !9, metadata !DIExpression()), !dbg !20
%aux.ptr.var = alloca ptr addrspace(7), align 32, addrspace(5), !dbg !21
call void @llvm.dbg.value(metadata ptr addrspace(5) %aux.ptr.var, metadata !11, metadata !DIExpression()), !dbg !21
%buf.ptr = addrspacecast ptr addrspace(8) %buf to ptr addrspace(7), !dbg !22
call void @llvm.dbg.value(metadata ptr addrspace(7) %buf.ptr, metadata !12, metadata !DIExpression()), !dbg !22
store ptr addrspace(7) %buf.ptr, ptr addrspace(5) %buf.ptr.var, align 32, !dbg !23
%aux.ptr = addrspacecast ptr addrspace(8) %aux to ptr addrspace(7), !dbg !24
call void @llvm.dbg.value(metadata ptr addrspace(7) %aux.ptr, metadata !14, metadata !DIExpression()), !dbg !24
store ptr addrspace(7) %aux.ptr, ptr addrspace(5) %aux.ptr.var, align 32, !dbg !25
%buf.ptr.2 = load ptr addrspace(7), ptr addrspace(5) %buf.ptr.var, align 32, !dbg !26
call void @llvm.dbg.value(metadata ptr addrspace(7) %buf.ptr.2, metadata !15, metadata !DIExpression()), !dbg !26
%buf.ptr.3 = getelementptr float, ptr addrspace(7) %buf.ptr.2, i32 %idx, !dbg !27
call void @llvm.dbg.value(metadata ptr addrspace(7) %buf.ptr.3, metadata !16, metadata !DIExpression()), !dbg !27
store ptr addrspace(7) %buf.ptr.3, ptr addrspace(5) %buf.ptr.var, align 32, !dbg !28
%buf.ptr.4 = load ptr addrspace(7), ptr addrspace(5) %buf.ptr.var, align 32, !dbg !29
call void @llvm.dbg.value(metadata ptr addrspace(7) %buf.ptr.4, metadata !17, metadata !DIExpression()), !dbg !29
%ret = load float, ptr addrspace(7) %buf.ptr.4, align 4, !dbg !30
call void @llvm.dbg.value(metadata float %ret, metadata !18, metadata !DIExpression()), !dbg !30
%aux.ptr.2 = load ptr addrspace(7), ptr addrspace(5) %aux.ptr.var, align 32, !dbg !31
call void @llvm.dbg.value(metadata ptr addrspace(7) %aux.ptr.2, metadata !19, metadata !DIExpression()), !dbg !31
store ptr addrspace(7) %buf.ptr.4, ptr addrspace(7) %aux.ptr.2, align 32, !dbg !32
ret float %ret, !dbg !33
}
; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare void @llvm.dbg.value(metadata, metadata, metadata) #0
attributes #0 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
!llvm.dbg.cu = !{!0}
!llvm.debugify = !{!2, !3}
!llvm.module.flags = !{!4}
!0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug)
!1 = !DIFile(filename: "<stdin>", directory: "/")
!2 = !{i32 14}
!3 = !{i32 9}
!4 = !{i32 2, !"Debug Info Version", i32 3}
!5 = distinct !DISubprogram(name: "debug_stash_pointer", linkageName: "debug_stash_pointer", scope: null, file: !1, line: 1, type: !6, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !8)
!6 = !DISubroutineType(types: !7)
!7 = !{}
!8 = !{!9, !11, !12, !14, !15, !16, !17, !18, !19}
!9 = !DILocalVariable(name: "1", scope: !5, file: !1, line: 1, type: !10)
!10 = !DIBasicType(name: "ty32", size: 32, encoding: DW_ATE_unsigned)
!11 = !DILocalVariable(name: "2", scope: !5, file: !1, line: 2, type: !10)
!12 = !DILocalVariable(name: "3", scope: !5, file: !1, line: 3, type: !13)
!13 = !DIBasicType(name: "ty256", size: 256, encoding: DW_ATE_unsigned)
!14 = !DILocalVariable(name: "4", scope: !5, file: !1, line: 5, type: !13)
!15 = !DILocalVariable(name: "5", scope: !5, file: !1, line: 7, type: !13)
!16 = !DILocalVariable(name: "6", scope: !5, file: !1, line: 8, type: !13)
!17 = !DILocalVariable(name: "7", scope: !5, file: !1, line: 10, type: !13)
!18 = !DILocalVariable(name: "8", scope: !5, file: !1, line: 11, type: !10)
!19 = !DILocalVariable(name: "9", scope: !5, file: !1, line: 12, type: !13)
!20 = !DILocation(line: 1, column: 1, scope: !5)
!21 = !DILocation(line: 2, column: 1, scope: !5)
!22 = !DILocation(line: 3, column: 1, scope: !5)
!23 = !DILocation(line: 4, column: 1, scope: !5)
!24 = !DILocation(line: 5, column: 1, scope: !5)
!25 = !DILocation(line: 6, column: 1, scope: !5)
!26 = !DILocation(line: 7, column: 1, scope: !5)
!27 = !DILocation(line: 8, column: 1, scope: !5)
!28 = !DILocation(line: 9, column: 1, scope: !5)
!29 = !DILocation(line: 10, column: 1, scope: !5)
!30 = !DILocation(line: 11, column: 1, scope: !5)
!31 = !DILocation(line: 12, column: 1, scope: !5)
!32 = !DILocation(line: 13, column: 1, scope: !5)
!33 = !DILocation(line: 14, column: 1, scope: !5)
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