[llvm] [NewPM] Teach llc -passes to handle target machine analysis (PR #191704)
via llvm-commits
llvm-commits at lists.llvm.org
Mon Apr 13 04:47:40 PDT 2026
https://github.com/macurtis-amd updated https://github.com/llvm/llvm-project/pull/191704
>From db41b450f308b3fea9ae17ddc93a752ea249f848 Mon Sep 17 00:00:00 2001
From: Matthew Curtis <macurtis at amd.com>
Date: Sun, 12 Apr 2026 07:20:58 -0500
Subject: [PATCH 1/3] [NewPM] Teach llc -passes to handle target machine
analysis
---
.../include/llvm/Passes/TargetPassRegistry.inc | 18 ++++++++++++++++++
.../AMDGPU/new-pm-req-machine-analysis.mir | 9 +++++++++
2 files changed, 27 insertions(+)
create mode 100644 llvm/test/CodeGen/AMDGPU/new-pm-req-machine-analysis.mir
diff --git a/llvm/include/llvm/Passes/TargetPassRegistry.inc b/llvm/include/llvm/Passes/TargetPassRegistry.inc
index 068b27794191c..4e778e77fa128 100644
--- a/llvm/include/llvm/Passes/TargetPassRegistry.inc
+++ b/llvm/include/llvm/Passes/TargetPassRegistry.inc
@@ -92,6 +92,14 @@ if (PIC) {
return true; \
}
+#define ADD_ANALYSIS_PASS(NAME, CREATE_PASS) \
+ if (Name == "require<" NAME ">") { \
+ PM.addPass( \
+ RequireAnalysisPass<std::remove_reference_t<decltype(CREATE_PASS)>, \
+ MachineFunction>()); \
+ return true; \
+ }
+
PB.registerPipelineParsingCallback([=](StringRef Name, ModulePassManager &PM,
ArrayRef<PassBuilder::PipelineElement>) {
#define MODULE_PASS(NAME, CREATE_PASS) ADD_PASS(NAME, CREATE_PASS)
@@ -151,6 +159,16 @@ PB.registerPipelineParsingCallback([=](StringRef Name, FunctionPassManager &PM,
return false;
});
+PB.registerPipelineParsingCallback([=](StringRef Name,
+ MachineFunctionPassManager &PM,
+ ArrayRef<PassBuilder::PipelineElement>) {
+#define MACHINE_FUNCTION_ANALYSIS(NAME, CREATE_PASS) \
+ ADD_ANALYSIS_PASS(NAME, CREATE_PASS)
+#include GET_PASS_REGISTRY
+#undef MACHINE_FUNCTION_ANALYSIS
+ return false;
+});
+
#undef ADD_PASS
#undef ADD_PASS_WITH_PARAMS
diff --git a/llvm/test/CodeGen/AMDGPU/new-pm-req-machine-analysis.mir b/llvm/test/CodeGen/AMDGPU/new-pm-req-machine-analysis.mir
new file mode 100644
index 0000000000000..ab7d84be8d617
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/new-pm-req-machine-analysis.mir
@@ -0,0 +1,9 @@
+# RUN: llc -mtriple=amdgcn "-passes=require<amdgpu-resource-usage>" -filetype=null %s
+---
+name: test
+body: |
+ bb.0:
+ S_NOP 0
+...
+
+
>From e69122cde812b811d1b0112298a33bf1531f5e08 Mon Sep 17 00:00:00 2001
From: Matthew Curtis <macurtis at amd.com>
Date: Mon, 13 Apr 2026 05:48:01 -0500
Subject: [PATCH 2/3] fixup! [NewPM] Teach llc -passes to handle target machine
analysis
---
llvm/include/llvm/Passes/TargetPassRegistry.inc | 5 +++++
llvm/test/CodeGen/AMDGPU/new-pm-machine-analysis.mir | 11 +++++++++++
.../CodeGen/AMDGPU/new-pm-req-machine-analysis.mir | 9 ---------
3 files changed, 16 insertions(+), 9 deletions(-)
create mode 100644 llvm/test/CodeGen/AMDGPU/new-pm-machine-analysis.mir
delete mode 100644 llvm/test/CodeGen/AMDGPU/new-pm-req-machine-analysis.mir
diff --git a/llvm/include/llvm/Passes/TargetPassRegistry.inc b/llvm/include/llvm/Passes/TargetPassRegistry.inc
index 4e778e77fa128..de2fefa471529 100644
--- a/llvm/include/llvm/Passes/TargetPassRegistry.inc
+++ b/llvm/include/llvm/Passes/TargetPassRegistry.inc
@@ -93,6 +93,11 @@ if (PIC) {
}
#define ADD_ANALYSIS_PASS(NAME, CREATE_PASS) \
+ if (Name == "invalidate<" NAME ">") { \
+ PM.addPass(InvalidateAnalysisPass< \
+ std::remove_reference_t<decltype(CREATE_PASS)>>()); \
+ return true; \
+ } \
if (Name == "require<" NAME ">") { \
PM.addPass( \
RequireAnalysisPass<std::remove_reference_t<decltype(CREATE_PASS)>, \
diff --git a/llvm/test/CodeGen/AMDGPU/new-pm-machine-analysis.mir b/llvm/test/CodeGen/AMDGPU/new-pm-machine-analysis.mir
new file mode 100644
index 0000000000000..1c96911737717
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/new-pm-machine-analysis.mir
@@ -0,0 +1,11 @@
+# RUN: llc -mtriple=amdgcn \
+# RUN: "-passes=require<amdgpu-resource-usage>,invalidate<amdgpu-resource-usage>" \
+# RUN: -filetype=null %s
+---
+name: test
+body: |
+ bb.0:
+ S_NOP 0
+...
+
+
diff --git a/llvm/test/CodeGen/AMDGPU/new-pm-req-machine-analysis.mir b/llvm/test/CodeGen/AMDGPU/new-pm-req-machine-analysis.mir
deleted file mode 100644
index ab7d84be8d617..0000000000000
--- a/llvm/test/CodeGen/AMDGPU/new-pm-req-machine-analysis.mir
+++ /dev/null
@@ -1,9 +0,0 @@
-# RUN: llc -mtriple=amdgcn "-passes=require<amdgpu-resource-usage>" -filetype=null %s
----
-name: test
-body: |
- bb.0:
- S_NOP 0
-...
-
-
>From 545e08d654ecf87cc04b3bbb2f2f4b1f39f113d5 Mon Sep 17 00:00:00 2001
From: Matthew Curtis <macurtis at amd.com>
Date: Mon, 13 Apr 2026 06:47:18 -0500
Subject: [PATCH 3/3] fixup! [NewPM] Teach llc -passes to handle target machine
analysis
---
llvm/test/CodeGen/AMDGPU/new-pm-machine-analysis.mir | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/llvm/test/CodeGen/AMDGPU/new-pm-machine-analysis.mir b/llvm/test/CodeGen/AMDGPU/new-pm-machine-analysis.mir
index 1c96911737717..d11ef50cbdc8f 100644
--- a/llvm/test/CodeGen/AMDGPU/new-pm-machine-analysis.mir
+++ b/llvm/test/CodeGen/AMDGPU/new-pm-machine-analysis.mir
@@ -1,6 +1,8 @@
# RUN: llc -mtriple=amdgcn \
# RUN: "-passes=require<amdgpu-resource-usage>,invalidate<amdgpu-resource-usage>" \
-# RUN: -filetype=null %s
+# RUN: --print-pipeline-passes --filetype=null %s | FileCheck %s
+
+# CHECK: machine-function(require<amdgpu-resource-usage>,invalidate<amdgpu-resource-usage>)
---
name: test
body: |
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