[llvm] r297499 - [AMDGPU] Split R600/SI getFrameIndexReference and emit stack object offsets for SI
Konstantin Zhuravlyov via llvm-commits
llvm-commits at lists.llvm.org
Fri Mar 10 11:39:08 PST 2017
Author: kzhuravl
Date: Fri Mar 10 13:39:07 2017
New Revision: 297499
URL: http://llvm.org/viewvc/llvm-project?rev=297499&view=rev
Log:
[AMDGPU] Split R600/SI getFrameIndexReference and emit stack object offsets for SI
Differential Revision: https://reviews.llvm.org/D29674
Added:
llvm/trunk/test/DebugInfo/AMDGPU/variable-locations-dwarf-v1.ll
llvm/trunk/test/DebugInfo/AMDGPU/variable-locations.ll
Modified:
llvm/trunk/lib/Target/AMDGPU/AMDGPUFrameLowering.cpp
llvm/trunk/lib/Target/AMDGPU/AMDGPUFrameLowering.h
llvm/trunk/lib/Target/AMDGPU/R600FrameLowering.cpp
llvm/trunk/lib/Target/AMDGPU/R600FrameLowering.h
llvm/trunk/lib/Target/AMDGPU/SIFrameLowering.cpp
llvm/trunk/lib/Target/AMDGPU/SIFrameLowering.h
Modified: llvm/trunk/lib/Target/AMDGPU/AMDGPUFrameLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/AMDGPUFrameLowering.cpp?rev=297499&r1=297498&r2=297499&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/AMDGPUFrameLowering.cpp (original)
+++ llvm/trunk/lib/Target/AMDGPU/AMDGPUFrameLowering.cpp Fri Mar 10 13:39:07 2017
@@ -12,11 +12,6 @@
//===----------------------------------------------------------------------===//
#include "AMDGPUFrameLowering.h"
-#include "AMDGPURegisterInfo.h"
-#include "AMDGPUSubtarget.h"
-#include "llvm/CodeGen/MachineFunction.h"
-#include "llvm/CodeGen/MachineFrameInfo.h"
-#include "llvm/Support/MathExtras.h"
using namespace llvm;
AMDGPUFrameLowering::AMDGPUFrameLowering(StackDirection D, unsigned StackAl,
@@ -69,34 +64,3 @@ unsigned AMDGPUFrameLowering::getStackWi
// T1.W = stack[1].w
return 1;
}
-
-/// \returns The number of registers allocated for \p FI.
-int AMDGPUFrameLowering::getFrameIndexReference(const MachineFunction &MF,
- int FI,
- unsigned &FrameReg) const {
- const MachineFrameInfo &MFI = MF.getFrameInfo();
- const AMDGPURegisterInfo *RI
- = MF.getSubtarget<AMDGPUSubtarget>().getRegisterInfo();
-
- // Fill in FrameReg output argument.
- FrameReg = RI->getFrameRegister(MF);
-
- // Start the offset at 2 so we don't overwrite work group information.
- // XXX: We should only do this when the shader actually uses this
- // information.
- unsigned OffsetBytes = 2 * (getStackWidth(MF) * 4);
- int UpperBound = FI == -1 ? MFI.getNumObjects() : FI;
-
- for (int i = MFI.getObjectIndexBegin(); i < UpperBound; ++i) {
- OffsetBytes = alignTo(OffsetBytes, MFI.getObjectAlignment(i));
- OffsetBytes += MFI.getObjectSize(i);
- // Each register holds 4 bytes, so we must always align the offset to at
- // least 4 bytes, so that 2 frame objects won't share the same register.
- OffsetBytes = alignTo(OffsetBytes, 4);
- }
-
- if (FI != -1)
- OffsetBytes = alignTo(OffsetBytes, MFI.getObjectAlignment(FI));
-
- return OffsetBytes / (getStackWidth(MF) * 4);
-}
Modified: llvm/trunk/lib/Target/AMDGPU/AMDGPUFrameLowering.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/AMDGPUFrameLowering.h?rev=297499&r1=297498&r2=297499&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/AMDGPUFrameLowering.h (original)
+++ llvm/trunk/lib/Target/AMDGPU/AMDGPUFrameLowering.h Fri Mar 10 13:39:07 2017
@@ -34,9 +34,6 @@ public:
/// values to the stack.
unsigned getStackWidth(const MachineFunction &MF) const;
- int getFrameIndexReference(const MachineFunction &MF, int FI,
- unsigned &FrameReg) const override;
-
bool hasFP(const MachineFunction &MF) const override {
return false;
}
Modified: llvm/trunk/lib/Target/AMDGPU/R600FrameLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/R600FrameLowering.cpp?rev=297499&r1=297498&r2=297499&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/R600FrameLowering.cpp (original)
+++ llvm/trunk/lib/Target/AMDGPU/R600FrameLowering.cpp Fri Mar 10 13:39:07 2017
@@ -8,7 +8,43 @@
//==-----------------------------------------------------------------------===//
#include "R600FrameLowering.h"
+#include "AMDGPUSubtarget.h"
+#include "R600RegisterInfo.h"
+#include "llvm/CodeGen/MachineFunction.h"
+#include "llvm/CodeGen/MachineFrameInfo.h"
+#include "llvm/Support/MathExtras.h"
using namespace llvm;
R600FrameLowering::~R600FrameLowering() = default;
+
+/// \returns The number of registers allocated for \p FI.
+int R600FrameLowering::getFrameIndexReference(const MachineFunction &MF,
+ int FI,
+ unsigned &FrameReg) const {
+ const MachineFrameInfo &MFI = MF.getFrameInfo();
+ const R600RegisterInfo *RI
+ = MF.getSubtarget<R600Subtarget>().getRegisterInfo();
+
+ // Fill in FrameReg output argument.
+ FrameReg = RI->getFrameRegister(MF);
+
+ // Start the offset at 2 so we don't overwrite work group information.
+ // FIXME: We should only do this when the shader actually uses this
+ // information.
+ unsigned OffsetBytes = 2 * (getStackWidth(MF) * 4);
+ int UpperBound = FI == -1 ? MFI.getNumObjects() : FI;
+
+ for (int i = MFI.getObjectIndexBegin(); i < UpperBound; ++i) {
+ OffsetBytes = alignTo(OffsetBytes, MFI.getObjectAlignment(i));
+ OffsetBytes += MFI.getObjectSize(i);
+ // Each register holds 4 bytes, so we must always align the offset to at
+ // least 4 bytes, so that 2 frame objects won't share the same register.
+ OffsetBytes = alignTo(OffsetBytes, 4);
+ }
+
+ if (FI != -1)
+ OffsetBytes = alignTo(OffsetBytes, MFI.getObjectAlignment(FI));
+
+ return OffsetBytes / (getStackWidth(MF) * 4);
+}
Modified: llvm/trunk/lib/Target/AMDGPU/R600FrameLowering.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/R600FrameLowering.h?rev=297499&r1=297498&r2=297499&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/R600FrameLowering.h (original)
+++ llvm/trunk/lib/Target/AMDGPU/R600FrameLowering.h Fri Mar 10 13:39:07 2017
@@ -25,6 +25,8 @@ public:
MachineBasicBlock &MBB) const override {}
void emitEpilogue(MachineFunction &MF,
MachineBasicBlock &MBB) const override {}
+ int getFrameIndexReference(const MachineFunction &MF, int FI,
+ unsigned &FrameReg) const override;
};
} // end namespace llvm
Modified: llvm/trunk/lib/Target/AMDGPU/SIFrameLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/SIFrameLowering.cpp?rev=297499&r1=297498&r2=297499&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/SIFrameLowering.cpp (original)
+++ llvm/trunk/lib/Target/AMDGPU/SIFrameLowering.cpp Fri Mar 10 13:39:07 2017
@@ -393,6 +393,14 @@ static bool allStackObjectsAreDead(const
return true;
}
+int SIFrameLowering::getFrameIndexReference(const MachineFunction &MF, int FI,
+ unsigned &FrameReg) const {
+ const SIRegisterInfo *RI = MF.getSubtarget<SISubtarget>().getRegisterInfo();
+
+ FrameReg = RI->getFrameRegister(MF);
+ return MF.getFrameInfo().getObjectOffset(FI);
+}
+
void SIFrameLowering::processFunctionBeforeFrameFinalized(
MachineFunction &MF,
RegScavenger *RS) const {
Modified: llvm/trunk/lib/Target/AMDGPU/SIFrameLowering.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/SIFrameLowering.h?rev=297499&r1=297498&r2=297499&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/SIFrameLowering.h (original)
+++ llvm/trunk/lib/Target/AMDGPU/SIFrameLowering.h Fri Mar 10 13:39:07 2017
@@ -30,6 +30,8 @@ public:
MachineBasicBlock &MBB) const override;
void emitEpilogue(MachineFunction &MF,
MachineBasicBlock &MBB) const override;
+ int getFrameIndexReference(const MachineFunction &MF, int FI,
+ unsigned &FrameReg) const override;
void processFunctionBeforeFrameFinalized(
MachineFunction &MF,
Added: llvm/trunk/test/DebugInfo/AMDGPU/variable-locations-dwarf-v1.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/AMDGPU/variable-locations-dwarf-v1.ll?rev=297499&view=auto
==============================================================================
--- llvm/trunk/test/DebugInfo/AMDGPU/variable-locations-dwarf-v1.ll (added)
+++ llvm/trunk/test/DebugInfo/AMDGPU/variable-locations-dwarf-v1.ll Fri Mar 10 13:39:07 2017
@@ -0,0 +1,92 @@
+; RUN: llc -O0 -mtriple=amdgcn-amd-amdhsa -mcpu=fiji -verify-machineinstrs -filetype=obj < %s | llvm-dwarfdump -debug-dump=info - | FileCheck %s
+
+; LLVM IR generated with the following command and OpenCL source:
+;
+; $clang -cl-std=CL2.0 -g -O0 -target amdgcn-amd-amdhsa -S -emit-llvm <path-to-file>
+;
+; global int GlobA;
+; global int GlobB;
+;
+; kernel void kernel1(unsigned int ArgN, global int *ArgA, global int *ArgB) {
+; ArgA[ArgN] += ArgB[ArgN];
+; }
+
+declare void @llvm.dbg.declare(metadata, metadata, metadata)
+
+; CHECK-NOT: DW_AT_location [DW_FORM_block1] (<0x05> 03 00 00 00 00 )
+ at GlobA = common addrspace(1) global i32 0, align 4, !dbg !0
+; CHECK-NOT: DW_AT_location [DW_FORM_block1] (<0x05> 03 00 00 00 00 )
+ at GlobB = common addrspace(1) global i32 0, align 4, !dbg !6
+
+define amdgpu_kernel void @kernel1(
+; CHECK-NOT: DW_AT_location [DW_FORM_block1] (<0x06> 91 04 10 01 16 18 )
+ i32 %ArgN,
+; CHECK-NOT: DW_AT_location [DW_FORM_block1] (<0x06> 91 08 10 01 16 18 )
+ i32 addrspace(1)* %ArgA,
+; CHECK-NOT: DW_AT_location [DW_FORM_block1] (<0x06> 91 10 10 01 16 18 )
+ i32 addrspace(1)* %ArgB) !dbg !13 {
+entry:
+ %ArgN.addr = alloca i32, align 4
+ %ArgA.addr = alloca i32 addrspace(1)*, align 4
+ %ArgB.addr = alloca i32 addrspace(1)*, align 4
+ store i32 %ArgN, i32* %ArgN.addr, align 4
+ call void @llvm.dbg.declare(metadata i32* %ArgN.addr, metadata !22, metadata !23), !dbg !24
+ store i32 addrspace(1)* %ArgA, i32 addrspace(1)** %ArgA.addr, align 4
+ call void @llvm.dbg.declare(metadata i32 addrspace(1)** %ArgA.addr, metadata !25, metadata !23), !dbg !26
+ store i32 addrspace(1)* %ArgB, i32 addrspace(1)** %ArgB.addr, align 4
+ call void @llvm.dbg.declare(metadata i32 addrspace(1)** %ArgB.addr, metadata !27, metadata !23), !dbg !28
+ %0 = load i32 addrspace(1)*, i32 addrspace(1)** %ArgB.addr, align 4, !dbg !29
+ %1 = load i32, i32* %ArgN.addr, align 4, !dbg !30
+ %idxprom = zext i32 %1 to i64, !dbg !29
+ %arrayidx = getelementptr inbounds i32, i32 addrspace(1)* %0, i64 %idxprom, !dbg !29
+ %2 = load i32, i32 addrspace(1)* %arrayidx, align 4, !dbg !29
+ %3 = load i32 addrspace(1)*, i32 addrspace(1)** %ArgA.addr, align 4, !dbg !31
+ %4 = load i32, i32* %ArgN.addr, align 4, !dbg !32
+ %idxprom1 = zext i32 %4 to i64, !dbg !31
+ %arrayidx2 = getelementptr inbounds i32, i32 addrspace(1)* %3, i64 %idxprom1, !dbg !31
+ %5 = load i32, i32 addrspace(1)* %arrayidx2, align 4, !dbg !33
+ %add = add nsw i32 %5, %2, !dbg !33
+ store i32 %add, i32 addrspace(1)* %arrayidx2, align 4, !dbg !33
+ ret void, !dbg !34
+}
+
+!llvm.dbg.cu = !{!2}
+!opencl.ocl.version = !{!9}
+!llvm.module.flags = !{!10, !11}
+!llvm.ident = !{!12}
+
+!0 = !DIGlobalVariableExpression(var: !1)
+!1 = distinct !DIGlobalVariable(name: "GlobA", scope: !2, file: !3, line: 1, type: !8, isLocal: false, isDefinition: true)
+!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 5.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
+!3 = !DIFile(filename: "variable-locations-dwarf-v1.cl", directory: "/some/random/directory")
+!4 = !{}
+!5 = !{!0, !6}
+!6 = !DIGlobalVariableExpression(var: !7)
+!7 = distinct !DIGlobalVariable(name: "GlobB", scope: !2, file: !3, line: 2, type: !8, isLocal: false, isDefinition: true)
+!8 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
+!9 = !{i32 2, i32 0}
+!10 = !{i32 2, !"Dwarf Version", i32 1}
+!11 = !{i32 2, !"Debug Info Version", i32 3}
+!12 = !{!"clang version 5.0.0"}
+!13 = distinct !DISubprogram(name: "kernel1", scope: !3, file: !3, line: 4, type: !14, isLocal: false, isDefinition: true, scopeLine: 4, flags: DIFlagPrototyped, isOptimized: false, unit: !2, variables: !4)
+!14 = !DISubroutineType(types: !15)
+!15 = !{null, !16, !17, !17}
+!16 = !DIBasicType(name: "unsigned int", size: 32, encoding: DW_ATE_unsigned)
+!17 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !8, size: 64)
+!18 = !{i32 0, i32 1, i32 1}
+!19 = !{!"none", !"none", !"none"}
+!20 = !{!"uint", !"int*", !"int*"}
+!21 = !{!"", !"", !""}
+!22 = !DILocalVariable(name: "ArgN", arg: 1, scope: !13, file: !3, line: 4, type: !16)
+!23 = !DIExpression(DW_OP_constu, 1, DW_OP_swap, DW_OP_xderef)
+!24 = !DILocation(line: 4, column: 34, scope: !13)
+!25 = !DILocalVariable(name: "ArgA", arg: 2, scope: !13, file: !3, line: 4, type: !17)
+!26 = !DILocation(line: 4, column: 52, scope: !13)
+!27 = !DILocalVariable(name: "ArgB", arg: 3, scope: !13, file: !3, line: 4, type: !17)
+!28 = !DILocation(line: 4, column: 70, scope: !13)
+!29 = !DILocation(line: 5, column: 17, scope: !13)
+!30 = !DILocation(line: 5, column: 22, scope: !13)
+!31 = !DILocation(line: 5, column: 3, scope: !13)
+!32 = !DILocation(line: 5, column: 8, scope: !13)
+!33 = !DILocation(line: 5, column: 14, scope: !13)
+!34 = !DILocation(line: 6, column: 1, scope: !13)
Added: llvm/trunk/test/DebugInfo/AMDGPU/variable-locations.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/AMDGPU/variable-locations.ll?rev=297499&view=auto
==============================================================================
--- llvm/trunk/test/DebugInfo/AMDGPU/variable-locations.ll (added)
+++ llvm/trunk/test/DebugInfo/AMDGPU/variable-locations.ll Fri Mar 10 13:39:07 2017
@@ -0,0 +1,111 @@
+; RUN: llc -O0 -mtriple=amdgcn-amd-amdhsa -mcpu=fiji -verify-machineinstrs -filetype=obj < %s | llvm-dwarfdump -debug-dump=info - | FileCheck %s
+
+; LLVM IR generated with the following command and OpenCL source:
+;
+; $clang -cl-std=CL2.0 -g -O0 -target amdgcn-amd-amdhsa -S -emit-llvm <path-to-file>
+;
+; global int GlobA;
+; global int GlobB;
+;
+; kernel void kernel1(unsigned int ArgN, global int *ArgA, global int *ArgB) {
+; ArgA[ArgN] += ArgB[ArgN];
+; }
+
+declare void @llvm.dbg.declare(metadata, metadata, metadata)
+
+; CHECK: {{.*}}DW_TAG_variable
+; CHECK-NEXT: DW_AT_name {{.*}}"GlobA"
+; CHECK-NEXT: DW_AT_type
+; CHECK-NEXT: DW_AT_external
+; CHECK-NEXT: DW_AT_decl_file
+; CHECK-NEXT: DW_AT_decl_line
+; CHECK-NEXT: DW_AT_location [DW_FORM_block1] (<0x05> 03 00 00 00 00 )
+ at GlobA = common addrspace(1) global i32 0, align 4, !dbg !0
+
+; CHECK: {{.*}}DW_TAG_variable
+; CHECK-NEXT: DW_AT_name {{.*}}"GlobB"
+; CHECK-NEXT: DW_AT_type
+; CHECK-NEXT: DW_AT_external
+; CHECK-NEXT: DW_AT_decl_file
+; CHECK-NEXT: DW_AT_decl_line
+; CHECK-NEXT: DW_AT_location [DW_FORM_block1] (<0x05> 03 00 00 00 00 )
+ at GlobB = common addrspace(1) global i32 0, align 4, !dbg !6
+
+define amdgpu_kernel void @kernel1(
+; CHECK: {{.*}}DW_TAG_formal_parameter
+; CHECK-NEXT: DW_AT_location [DW_FORM_block1] (<0x06> 91 04 10 01 16 18 )
+; CHECK-NEXT: DW_AT_name {{.*}}"ArgN"
+ i32 %ArgN,
+; CHECK: {{.*}}DW_TAG_formal_parameter
+; CHECK-NEXT: DW_AT_location [DW_FORM_block1] (<0x06> 91 08 10 01 16 18 )
+; CHECK-NEXT: DW_AT_name {{.*}}"ArgA"
+ i32 addrspace(1)* %ArgA,
+; CHECK: {{.*}}DW_TAG_formal_parameter
+; CHECK-NEXT: DW_AT_location [DW_FORM_block1] (<0x06> 91 10 10 01 16 18 )
+; CHECK-NEXT: DW_AT_name {{.*}}"ArgB"
+ i32 addrspace(1)* %ArgB) !dbg !13 {
+entry:
+ %ArgN.addr = alloca i32, align 4
+ %ArgA.addr = alloca i32 addrspace(1)*, align 4
+ %ArgB.addr = alloca i32 addrspace(1)*, align 4
+ store i32 %ArgN, i32* %ArgN.addr, align 4
+ call void @llvm.dbg.declare(metadata i32* %ArgN.addr, metadata !22, metadata !23), !dbg !24
+ store i32 addrspace(1)* %ArgA, i32 addrspace(1)** %ArgA.addr, align 4
+ call void @llvm.dbg.declare(metadata i32 addrspace(1)** %ArgA.addr, metadata !25, metadata !23), !dbg !26
+ store i32 addrspace(1)* %ArgB, i32 addrspace(1)** %ArgB.addr, align 4
+ call void @llvm.dbg.declare(metadata i32 addrspace(1)** %ArgB.addr, metadata !27, metadata !23), !dbg !28
+ %0 = load i32 addrspace(1)*, i32 addrspace(1)** %ArgB.addr, align 4, !dbg !29
+ %1 = load i32, i32* %ArgN.addr, align 4, !dbg !30
+ %idxprom = zext i32 %1 to i64, !dbg !29
+ %arrayidx = getelementptr inbounds i32, i32 addrspace(1)* %0, i64 %idxprom, !dbg !29
+ %2 = load i32, i32 addrspace(1)* %arrayidx, align 4, !dbg !29
+ %3 = load i32 addrspace(1)*, i32 addrspace(1)** %ArgA.addr, align 4, !dbg !31
+ %4 = load i32, i32* %ArgN.addr, align 4, !dbg !32
+ %idxprom1 = zext i32 %4 to i64, !dbg !31
+ %arrayidx2 = getelementptr inbounds i32, i32 addrspace(1)* %3, i64 %idxprom1, !dbg !31
+ %5 = load i32, i32 addrspace(1)* %arrayidx2, align 4, !dbg !33
+ %add = add nsw i32 %5, %2, !dbg !33
+ store i32 %add, i32 addrspace(1)* %arrayidx2, align 4, !dbg !33
+ ret void, !dbg !34
+}
+
+!llvm.dbg.cu = !{!2}
+!opencl.ocl.version = !{!9}
+!llvm.module.flags = !{!10, !11}
+!llvm.ident = !{!12}
+
+!0 = !DIGlobalVariableExpression(var: !1)
+!1 = distinct !DIGlobalVariable(name: "GlobA", scope: !2, file: !3, line: 1, type: !8, isLocal: false, isDefinition: true)
+!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 5.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
+!3 = !DIFile(filename: "variable-locations.cl", directory: "/some/random/directory")
+!4 = !{}
+!5 = !{!0, !6}
+!6 = !DIGlobalVariableExpression(var: !7)
+!7 = distinct !DIGlobalVariable(name: "GlobB", scope: !2, file: !3, line: 2, type: !8, isLocal: false, isDefinition: true)
+!8 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
+!9 = !{i32 2, i32 0}
+!10 = !{i32 2, !"Dwarf Version", i32 2}
+!11 = !{i32 2, !"Debug Info Version", i32 3}
+!12 = !{!"clang version 5.0.0"}
+!13 = distinct !DISubprogram(name: "kernel1", scope: !3, file: !3, line: 4, type: !14, isLocal: false, isDefinition: true, scopeLine: 4, flags: DIFlagPrototyped, isOptimized: false, unit: !2, variables: !4)
+!14 = !DISubroutineType(types: !15)
+!15 = !{null, !16, !17, !17}
+!16 = !DIBasicType(name: "unsigned int", size: 32, encoding: DW_ATE_unsigned)
+!17 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !8, size: 64)
+!18 = !{i32 0, i32 1, i32 1}
+!19 = !{!"none", !"none", !"none"}
+!20 = !{!"uint", !"int*", !"int*"}
+!21 = !{!"", !"", !""}
+!22 = !DILocalVariable(name: "ArgN", arg: 1, scope: !13, file: !3, line: 4, type: !16)
+!23 = !DIExpression(DW_OP_constu, 1, DW_OP_swap, DW_OP_xderef)
+!24 = !DILocation(line: 4, column: 34, scope: !13)
+!25 = !DILocalVariable(name: "ArgA", arg: 2, scope: !13, file: !3, line: 4, type: !17)
+!26 = !DILocation(line: 4, column: 52, scope: !13)
+!27 = !DILocalVariable(name: "ArgB", arg: 3, scope: !13, file: !3, line: 4, type: !17)
+!28 = !DILocation(line: 4, column: 70, scope: !13)
+!29 = !DILocation(line: 5, column: 17, scope: !13)
+!30 = !DILocation(line: 5, column: 22, scope: !13)
+!31 = !DILocation(line: 5, column: 3, scope: !13)
+!32 = !DILocation(line: 5, column: 8, scope: !13)
+!33 = !DILocation(line: 5, column: 14, scope: !13)
+!34 = !DILocation(line: 6, column: 1, scope: !13)
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