[llvm-branch-commits] [llvm] ebfd295 - Revert "[AMDGPU] Avoid resource propagation for recursion through multiple fu…"
via llvm-branch-commits
llvm-branch-commits at lists.llvm.org
Fri Oct 11 09:01:35 PDT 2024
Author: Janek van Oirschot
Date: 2024-10-11T17:01:32+01:00
New Revision: ebfd2950a25f5e8ff89e63c8c2cb7825a5a2d162
URL: https://github.com/llvm/llvm-project/commit/ebfd2950a25f5e8ff89e63c8c2cb7825a5a2d162
DIFF: https://github.com/llvm/llvm-project/commit/ebfd2950a25f5e8ff89e63c8c2cb7825a5a2d162.diff
LOG: Revert "[AMDGPU] Avoid resource propagation for recursion through multiple fu…"
This reverts commit 67160c5ab5f5b7fd5fa7851abcfde367c8a9f91b.
Added:
Modified:
llvm/lib/Target/AMDGPU/AMDGPUMCResourceInfo.cpp
llvm/test/CodeGen/AMDGPU/function-resource-usage.ll
Removed:
llvm/test/CodeGen/AMDGPU/recursive-resource-usage-mcexpr.ll
################################################################################
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUMCResourceInfo.cpp b/llvm/lib/Target/AMDGPU/AMDGPUMCResourceInfo.cpp
index 62caec4d6dd716..da0397fa20bd1b 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUMCResourceInfo.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUMCResourceInfo.cpp
@@ -91,69 +91,6 @@ MCSymbol *MCResourceInfo::getMaxSGPRSymbol(MCContext &OutContext) {
return OutContext.getOrCreateSymbol("amdgpu.max_num_sgpr");
}
-// The (partially complete) expression should have no recursion in it. After
-// all, we're trying to avoid recursion using this codepath. Returns true if
-// Sym is found within Expr without recursing on Expr, false otherwise.
-static bool findSymbolInExpr(MCSymbol *Sym, const MCExpr *Expr,
- SmallVectorImpl<const MCExpr *> &Exprs,
- SmallPtrSetImpl<const MCExpr *> &Visited) {
- // Assert if any of the expressions is already visited (i.e., there is
- // existing recursion).
- if (!Visited.insert(Expr).second)
- llvm_unreachable("already visited expression");
-
- switch (Expr->getKind()) {
- default:
- return false;
- case MCExpr::ExprKind::SymbolRef: {
- const MCSymbolRefExpr *SymRefExpr = cast<MCSymbolRefExpr>(Expr);
- const MCSymbol &SymRef = SymRefExpr->getSymbol();
- if (Sym == &SymRef)
- return true;
- if (SymRef.isVariable())
- Exprs.push_back(SymRef.getVariableValue(/*isUsed=*/false));
- return false;
- }
- case MCExpr::ExprKind::Binary: {
- const MCBinaryExpr *BExpr = cast<MCBinaryExpr>(Expr);
- Exprs.push_back(BExpr->getLHS());
- Exprs.push_back(BExpr->getRHS());
- return false;
- }
- case MCExpr::ExprKind::Unary: {
- const MCUnaryExpr *UExpr = cast<MCUnaryExpr>(Expr);
- Exprs.push_back(UExpr->getSubExpr());
- return false;
- }
- case MCExpr::ExprKind::Target: {
- const AMDGPUMCExpr *AGVK = cast<AMDGPUMCExpr>(Expr);
- for (const MCExpr *E : AGVK->getArgs())
- Exprs.push_back(E);
- return false;
- }
- }
-}
-
-// Symbols whose values eventually are used through their defines (i.e.,
-// recursive) must be avoided. Do a walk over Expr to see if Sym will occur in
-// it. The Expr is an MCExpr given through a callee's equivalent MCSymbol so if
-// no recursion is found Sym can be safely assigned to a (sub-)expr which
-// contains the symbol Expr is associated with. Returns true if Sym exists
-// in Expr or its sub-expressions, false otherwise.
-static bool foundRecursiveSymbolDef(MCSymbol *Sym, const MCExpr *Expr) {
- SmallVector<const MCExpr *, 8> WorkList;
- SmallPtrSet<const MCExpr *, 8> Visited;
- WorkList.push_back(Expr);
-
- while (!WorkList.empty()) {
- const MCExpr *CurExpr = WorkList.pop_back_val();
- if (findSymbolInExpr(Sym, CurExpr, WorkList, Visited))
- return true;
- }
-
- return false;
-}
-
void MCResourceInfo::assignResourceInfoExpr(
int64_t LocalValue, ResourceInfoKind RIK, AMDGPUMCExpr::VariantKind Kind,
const MachineFunction &MF, const SmallVectorImpl<const Function *> &Callees,
@@ -161,7 +98,6 @@ void MCResourceInfo::assignResourceInfoExpr(
const MCConstantExpr *LocalConstExpr =
MCConstantExpr::create(LocalValue, OutContext);
const MCExpr *SymVal = LocalConstExpr;
- MCSymbol *Sym = getSymbol(MF.getName(), RIK, OutContext);
if (!Callees.empty()) {
SmallVector<const MCExpr *, 8> ArgExprs;
// Avoid recursive symbol assignment.
@@ -174,17 +110,11 @@ void MCResourceInfo::assignResourceInfoExpr(
if (!Seen.insert(Callee).second)
continue;
MCSymbol *CalleeValSym = getSymbol(Callee->getName(), RIK, OutContext);
- bool CalleeIsVar = CalleeValSym->isVariable();
- if (!CalleeIsVar ||
- (CalleeIsVar &&
- !foundRecursiveSymbolDef(
- Sym, CalleeValSym->getVariableValue(/*IsUsed=*/false)))) {
- ArgExprs.push_back(MCSymbolRefExpr::create(CalleeValSym, OutContext));
- }
+ ArgExprs.push_back(MCSymbolRefExpr::create(CalleeValSym, OutContext));
}
- if (ArgExprs.size() > 1)
- SymVal = AMDGPUMCExpr::create(Kind, ArgExprs, OutContext);
+ SymVal = AMDGPUMCExpr::create(Kind, ArgExprs, OutContext);
}
+ MCSymbol *Sym = getSymbol(MF.getName(), RIK, OutContext);
Sym->setVariableValue(SymVal);
}
@@ -225,7 +155,6 @@ void MCResourceInfo::gatherResourceInfo(
// The expression for private segment size should be: FRI.PrivateSegmentSize
// + max(FRI.Callees, FRI.CalleeSegmentSize)
SmallVector<const MCExpr *, 8> ArgExprs;
- MCSymbol *Sym = getSymbol(MF.getName(), RIK_PrivateSegSize, OutContext);
if (FRI.CalleeSegmentSize)
ArgExprs.push_back(
MCConstantExpr::create(FRI.CalleeSegmentSize, OutContext));
@@ -236,15 +165,9 @@ void MCResourceInfo::gatherResourceInfo(
if (!Seen.insert(Callee).second)
continue;
if (!Callee->isDeclaration()) {
- MCSymbol *CalleeValSym =
+ MCSymbol *calleeValSym =
getSymbol(Callee->getName(), RIK_PrivateSegSize, OutContext);
- bool CalleeIsVar = CalleeValSym->isVariable();
- if (!CalleeIsVar ||
- (CalleeIsVar &&
- !foundRecursiveSymbolDef(
- Sym, CalleeValSym->getVariableValue(/*IsUsed=*/false)))) {
- ArgExprs.push_back(MCSymbolRefExpr::create(CalleeValSym, OutContext));
- }
+ ArgExprs.push_back(MCSymbolRefExpr::create(calleeValSym, OutContext));
}
}
const MCExpr *localConstExpr =
@@ -255,7 +178,8 @@ void MCResourceInfo::gatherResourceInfo(
localConstExpr =
MCBinaryExpr::createAdd(localConstExpr, transitiveExpr, OutContext);
}
- Sym->setVariableValue(localConstExpr);
+ getSymbol(MF.getName(), RIK_PrivateSegSize, OutContext)
+ ->setVariableValue(localConstExpr);
}
auto SetToLocal = [&](int64_t LocalValue, ResourceInfoKind RIK) {
diff --git a/llvm/test/CodeGen/AMDGPU/function-resource-usage.ll b/llvm/test/CodeGen/AMDGPU/function-resource-usage.ll
index c8cf7d7e535b33..d3a6b4e01ebfb8 100644
--- a/llvm/test/CodeGen/AMDGPU/function-resource-usage.ll
+++ b/llvm/test/CodeGen/AMDGPU/function-resource-usage.ll
@@ -481,132 +481,6 @@ define amdgpu_kernel void @usage_direct_recursion(i32 %n) #0 {
ret void
}
-; GCN-LABEL: {{^}}multi_stage_recurse2:
-; GCN: .set multi_stage_recurse2.num_vgpr, max(41, multi_stage_recurse1.num_vgpr)
-; GCN: .set multi_stage_recurse2.num_agpr, max(0, multi_stage_recurse1.num_agpr)
-; GCN: .set multi_stage_recurse2.numbered_sgpr, max(34, multi_stage_recurse1.numbered_sgpr)
-; GCN: .set multi_stage_recurse2.private_seg_size, 16+(max(multi_stage_recurse1.private_seg_size))
-; GCN: .set multi_stage_recurse2.uses_vcc, or(1, multi_stage_recurse1.uses_vcc)
-; GCN: .set multi_stage_recurse2.uses_flat_scratch, or(0, multi_stage_recurse1.uses_flat_scratch)
-; GCN: .set multi_stage_recurse2.has_dyn_sized_stack, or(0, multi_stage_recurse1.has_dyn_sized_stack)
-; GCN: .set multi_stage_recurse2.has_recursion, or(1, multi_stage_recurse1.has_recursion)
-; GCN: .set multi_stage_recurse2.has_indirect_call, or(0, multi_stage_recurse1.has_indirect_call)
-; GCN: TotalNumSgprs: multi_stage_recurse2.numbered_sgpr+(extrasgprs(multi_stage_recurse2.uses_vcc, multi_stage_recurse2.uses_flat_scratch, 1))
-; GCN: NumVgprs: max(41, multi_stage_recurse1.num_vgpr)
-; GCN: ScratchSize: 16+(max(multi_stage_recurse1.private_seg_size))
-; GCN-LABEL: {{^}}multi_stage_recurse1:
-; GCN: .set multi_stage_recurse1.num_vgpr, 41
-; GCN: .set multi_stage_recurse1.num_agpr, 0
-; GCN: .set multi_stage_recurse1.numbered_sgpr, 34
-; GCN: .set multi_stage_recurse1.private_seg_size, 16
-; GCN: .set multi_stage_recurse1.uses_vcc, 1
-; GCN: .set multi_stage_recurse1.uses_flat_scratch, 0
-; GCN: .set multi_stage_recurse1.has_dyn_sized_stack, 0
-; GCN: .set multi_stage_recurse1.has_recursion, 1
-; GCN: .set multi_stage_recurse1.has_indirect_call, 0
-; GCN: TotalNumSgprs: 38
-; GCN: NumVgprs: 41
-; GCN: ScratchSize: 16
-define void @multi_stage_recurse1(i32 %val) #2 {
- call void @multi_stage_recurse2(i32 %val)
- ret void
-}
-define void @multi_stage_recurse2(i32 %val) #2 {
- call void @multi_stage_recurse1(i32 %val)
- ret void
-}
-
-; GCN-LABEL: {{^}}usage_multi_stage_recurse:
-; GCN: .set usage_multi_stage_recurse.num_vgpr, max(32, multi_stage_recurse1.num_vgpr)
-; GCN: .set usage_multi_stage_recurse.num_agpr, max(0, multi_stage_recurse1.num_agpr)
-; GCN: .set usage_multi_stage_recurse.numbered_sgpr, max(33, multi_stage_recurse1.numbered_sgpr)
-; GCN: .set usage_multi_stage_recurse.private_seg_size, 0+(max(multi_stage_recurse1.private_seg_size))
-; GCN: .set usage_multi_stage_recurse.uses_vcc, or(1, multi_stage_recurse1.uses_vcc)
-; GCN: .set usage_multi_stage_recurse.uses_flat_scratch, or(1, multi_stage_recurse1.uses_flat_scratch)
-; GCN: .set usage_multi_stage_recurse.has_dyn_sized_stack, or(0, multi_stage_recurse1.has_dyn_sized_stack)
-; GCN: .set usage_multi_stage_recurse.has_recursion, or(1, multi_stage_recurse1.has_recursion)
-; GCN: .set usage_multi_stage_recurse.has_indirect_call, or(0, multi_stage_recurse1.has_indirect_call)
-; GCN: TotalNumSgprs: 40
-; GCN: NumVgprs: 41
-; GCN: ScratchSize: 16
-define amdgpu_kernel void @usage_multi_stage_recurse(i32 %n) #0 {
- call void @multi_stage_recurse1(i32 %n)
- ret void
-}
-
-; GCN-LABEL: {{^}}multi_stage_recurse_noattr2:
-; GCN: .set multi_stage_recurse_noattr2.num_vgpr, max(41, multi_stage_recurse_noattr1.num_vgpr)
-; GCN: .set multi_stage_recurse_noattr2.num_agpr, max(0, multi_stage_recurse_noattr1.num_agpr)
-; GCN: .set multi_stage_recurse_noattr2.numbered_sgpr, max(34, multi_stage_recurse_noattr1.numbered_sgpr)
-; GCN: .set multi_stage_recurse_noattr2.private_seg_size, 16+(max(multi_stage_recurse_noattr1.private_seg_size))
-; GCN: .set multi_stage_recurse_noattr2.uses_vcc, or(1, multi_stage_recurse_noattr1.uses_vcc)
-; GCN: .set multi_stage_recurse_noattr2.uses_flat_scratch, or(0, multi_stage_recurse_noattr1.uses_flat_scratch)
-; GCN: .set multi_stage_recurse_noattr2.has_dyn_sized_stack, or(0, multi_stage_recurse_noattr1.has_dyn_sized_stack)
-; GCN: .set multi_stage_recurse_noattr2.has_recursion, or(0, multi_stage_recurse_noattr1.has_recursion)
-; GCN: .set multi_stage_recurse_noattr2.has_indirect_call, or(0, multi_stage_recurse_noattr1.has_indirect_call)
-; GCN: TotalNumSgprs: multi_stage_recurse_noattr2.numbered_sgpr+(extrasgprs(multi_stage_recurse_noattr2.uses_vcc, multi_stage_recurse_noattr2.uses_flat_scratch, 1))
-; GCN: NumVgprs: max(41, multi_stage_recurse_noattr1.num_vgpr)
-; GCN: ScratchSize: 16+(max(multi_stage_recurse_noattr1.private_seg_size))
-; GCN-LABEL: {{^}}multi_stage_recurse_noattr1:
-; GCN: .set multi_stage_recurse_noattr1.num_vgpr, 41
-; GCN: .set multi_stage_recurse_noattr1.num_agpr, 0
-; GCN: .set multi_stage_recurse_noattr1.numbered_sgpr, 34
-; GCN: .set multi_stage_recurse_noattr1.private_seg_size, 16
-; GCN: .set multi_stage_recurse_noattr1.uses_vcc, 1
-; GCN: .set multi_stage_recurse_noattr1.uses_flat_scratch, 0
-; GCN: .set multi_stage_recurse_noattr1.has_dyn_sized_stack, 0
-; GCN: .set multi_stage_recurse_noattr1.has_recursion, 0
-; GCN: .set multi_stage_recurse_noattr1.has_indirect_call, 0
-; GCN: TotalNumSgprs: 38
-; GCN: NumVgprs: 41
-; GCN: ScratchSize: 16
-define void @multi_stage_recurse_noattr1(i32 %val) #0 {
- call void @multi_stage_recurse_noattr2(i32 %val)
- ret void
-}
-define void @multi_stage_recurse_noattr2(i32 %val) #0 {
- call void @multi_stage_recurse_noattr1(i32 %val)
- ret void
-}
-
-; GCN-LABEL: {{^}}usage_multi_stage_recurse_noattrs:
-; GCN: .set usage_multi_stage_recurse_noattrs.num_vgpr, max(32, multi_stage_recurse_noattr1.num_vgpr)
-; GCN: .set usage_multi_stage_recurse_noattrs.num_agpr, max(0, multi_stage_recurse_noattr1.num_agpr)
-; GCN: .set usage_multi_stage_recurse_noattrs.numbered_sgpr, max(33, multi_stage_recurse_noattr1.numbered_sgpr)
-; GCN: .set usage_multi_stage_recurse_noattrs.private_seg_size, 0+(max(multi_stage_recurse_noattr1.private_seg_size))
-; GCN: .set usage_multi_stage_recurse_noattrs.uses_vcc, or(1, multi_stage_recurse_noattr1.uses_vcc)
-; GCN: .set usage_multi_stage_recurse_noattrs.uses_flat_scratch, or(1, multi_stage_recurse_noattr1.uses_flat_scratch)
-; GCN: .set usage_multi_stage_recurse_noattrs.has_dyn_sized_stack, or(0, multi_stage_recurse_noattr1.has_dyn_sized_stack)
-; GCN: .set usage_multi_stage_recurse_noattrs.has_recursion, or(0, multi_stage_recurse_noattr1.has_recursion)
-; GCN: .set usage_multi_stage_recurse_noattrs.has_indirect_call, or(0, multi_stage_recurse_noattr1.has_indirect_call)
-; GCN: TotalNumSgprs: 40
-; GCN: NumVgprs: 41
-; GCN: ScratchSize: 16
-define amdgpu_kernel void @usage_multi_stage_recurse_noattrs(i32 %n) #0 {
- call void @multi_stage_recurse_noattr1(i32 %n)
- ret void
-}
-
-; GCN-LABEL: {{^}}multi_call_with_multi_stage_recurse:
-; GCN: .set multi_call_with_multi_stage_recurse.num_vgpr, max(41, use_stack0.num_vgpr, use_stack1.num_vgpr, multi_stage_recurse1.num_vgpr)
-; GCN: .set multi_call_with_multi_stage_recurse.num_agpr, max(0, use_stack0.num_agpr, use_stack1.num_agpr, multi_stage_recurse1.num_agpr)
-; GCN: .set multi_call_with_multi_stage_recurse.numbered_sgpr, max(43, use_stack0.numbered_sgpr, use_stack1.numbered_sgpr, multi_stage_recurse1.numbered_sgpr)
-; GCN: .set multi_call_with_multi_stage_recurse.private_seg_size, 0+(max(use_stack0.private_seg_size, use_stack1.private_seg_size, multi_stage_recurse1.private_seg_size))
-; GCN: .set multi_call_with_multi_stage_recurse.uses_vcc, or(1, use_stack0.uses_vcc, use_stack1.uses_vcc, multi_stage_recurse1.uses_vcc)
-; GCN: .set multi_call_with_multi_stage_recurse.uses_flat_scratch, or(1, use_stack0.uses_flat_scratch, use_stack1.uses_flat_scratch, multi_stage_recurse1.uses_flat_scratch)
-; GCN: .set multi_call_with_multi_stage_recurse.has_dyn_sized_stack, or(0, use_stack0.has_dyn_sized_stack, use_stack1.has_dyn_sized_stack, multi_stage_recurse1.has_dyn_sized_stack)
-; GCN: .set multi_call_with_multi_stage_recurse.has_recursion, or(1, use_stack0.has_recursion, use_stack1.has_recursion, multi_stage_recurse1.has_recursion)
-; GCN: .set multi_call_with_multi_stage_recurse.has_indirect_call, or(0, use_stack0.has_indirect_call, use_stack1.has_indirect_call, multi_stage_recurse1.has_indirect_call)
-; GCN: TotalNumSgprs: 49
-; GCN: NumVgprs: 41
-; GCN: ScratchSize: 2052
-define amdgpu_kernel void @multi_call_with_multi_stage_recurse(i32 %n) #0 {
- call void @use_stack0()
- call void @use_stack1()
- call void @multi_stage_recurse1(i32 %n)
- ret void
-}
-
; Make sure there's no assert when a sgpr96 is used.
; GCN-LABEL: {{^}}count_use_sgpr96_external_call
; GCN: .set count_use_sgpr96_external_call.num_vgpr, max(32, amdgpu.max_num_vgpr)
diff --git a/llvm/test/CodeGen/AMDGPU/recursive-resource-usage-mcexpr.ll b/llvm/test/CodeGen/AMDGPU/recursive-resource-usage-mcexpr.ll
deleted file mode 100644
index 7e1090afc0cf1a..00000000000000
--- a/llvm/test/CodeGen/AMDGPU/recursive-resource-usage-mcexpr.ll
+++ /dev/null
@@ -1,85 +0,0 @@
-; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx90a < %s | FileCheck %s
-
-; CHECK-LABEL: {{^}}qux
-; CHECK: .set qux.num_vgpr, max(41, foo.num_vgpr)
-; CHECK: .set qux.num_agpr, max(0, foo.num_agpr)
-; CHECK: .set qux.numbered_sgpr, max(34, foo.numbered_sgpr)
-; CHECK: .set qux.private_seg_size, 16
-; CHECK: .set qux.uses_vcc, or(1, foo.uses_vcc)
-; CHECK: .set qux.uses_flat_scratch, or(0, foo.uses_flat_scratch)
-; CHECK: .set qux.has_dyn_sized_stack, or(0, foo.has_dyn_sized_stack)
-; CHECK: .set qux.has_recursion, or(1, foo.has_recursion)
-; CHECK: .set qux.has_indirect_call, or(0, foo.has_indirect_call)
-
-; CHECK-LABEL: {{^}}baz
-; CHECK: .set baz.num_vgpr, max(42, qux.num_vgpr)
-; CHECK: .set baz.num_agpr, max(0, qux.num_agpr)
-; CHECK: .set baz.numbered_sgpr, max(34, qux.numbered_sgpr)
-; CHECK: .set baz.private_seg_size, 16+(max(qux.private_seg_size))
-; CHECK: .set baz.uses_vcc, or(1, qux.uses_vcc)
-; CHECK: .set baz.uses_flat_scratch, or(0, qux.uses_flat_scratch)
-; CHECK: .set baz.has_dyn_sized_stack, or(0, qux.has_dyn_sized_stack)
-; CHECK: .set baz.has_recursion, or(1, qux.has_recursion)
-; CHECK: .set baz.has_indirect_call, or(0, qux.has_indirect_call)
-
-; CHECK-LABEL: {{^}}bar
-; CHECK: .set bar.num_vgpr, max(42, baz.num_vgpr)
-; CHECK: .set bar.num_agpr, max(0, baz.num_agpr)
-; CHECK: .set bar.numbered_sgpr, max(34, baz.numbered_sgpr)
-; CHECK: .set bar.private_seg_size, 16+(max(baz.private_seg_size))
-; CHECK: .set bar.uses_vcc, or(1, baz.uses_vcc)
-; CHECK: .set bar.uses_flat_scratch, or(0, baz.uses_flat_scratch)
-; CHECK: .set bar.has_dyn_sized_stack, or(0, baz.has_dyn_sized_stack)
-; CHECK: .set bar.has_recursion, or(1, baz.has_recursion)
-; CHECK: .set bar.has_indirect_call, or(0, baz.has_indirect_call)
-
-; CHECK-LABEL: {{^}}foo
-; CHECK: .set foo.num_vgpr, 42
-; CHECK: .set foo.num_agpr, 0
-; CHECK: .set foo.numbered_sgpr, 34
-; CHECK: .set foo.private_seg_size, 16
-; CHECK: .set foo.uses_vcc, 1
-; CHECK: .set foo.uses_flat_scratch, 0
-; CHECK: .set foo.has_dyn_sized_stack, 0
-; CHECK: .set foo.has_recursion, 1
-; CHECK: .set foo.has_indirect_call, 0
-
-define void @foo() {
-entry:
- call void @bar()
- ret void
-}
-
-define void @bar() {
-entry:
- call void @baz()
- ret void
-}
-
-define void @baz() {
-entry:
- call void @qux()
- ret void
-}
-
-define void @qux() {
-entry:
- call void @foo()
- ret void
-}
-
-; CHECK-LABEL: {{^}}usefoo
-; CHECK: .set usefoo.num_vgpr, max(32, foo.num_vgpr)
-; CHECK: .set usefoo.num_agpr, max(0, foo.num_agpr)
-; CHECK: .set usefoo.numbered_sgpr, max(33, foo.numbered_sgpr)
-; CHECK: .set usefoo.private_seg_size, 0+(max(foo.private_seg_size))
-; CHECK: .set usefoo.uses_vcc, or(1, foo.uses_vcc)
-; CHECK: .set usefoo.uses_flat_scratch, or(1, foo.uses_flat_scratch)
-; CHECK: .set usefoo.has_dyn_sized_stack, or(0, foo.has_dyn_sized_stack)
-; CHECK: .set usefoo.has_recursion, or(1, foo.has_recursion)
-; CHECK: .set usefoo.has_indirect_call, or(0, foo.has_indirect_call)
-define amdgpu_kernel void @usefoo() {
- call void @foo()
- ret void
-}
-
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