[llvm] 37e27a4 - [llvm-exegesis] Add support for alderlake (#88967)

[via llvm-commits]

Author: Aiden Grossman
Date: 2024-04-23T10:42:56-07:00
New Revision: 37e27a4d6509fa6432d0125bf43249d2ad01dbc3

URL: https://github.com/llvm/llvm-project/commit/37e27a4d6509fa6432d0125bf43249d2ad01dbc3
DIFF: https://github.com/llvm/llvm-project/commit/37e27a4d6509fa6432d0125bf43249d2ad01dbc3.diff

LOG: [llvm-exegesis] Add support for alderlake (#88967)

This patch adds the PFM counter definitions for Intel alderlake CPUs.

Added: 
    

Modified: 
    llvm/lib/Target/X86/X86PfmCounters.td
    llvm/lib/Target/X86/X86SchedAlderlakeP.td

Removed: 
    


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diff  --git a/llvm/lib/Target/X86/X86PfmCounters.td b/llvm/lib/Target/X86/X86PfmCounters.td
index d87a559aa353b1..2b1dac411c9927 100644
--- a/llvm/lib/Target/X86/X86PfmCounters.td
+++ b/llvm/lib/Target/X86/X86PfmCounters.td
@@ -204,6 +204,22 @@ def : PfmCountersBinding<"icelake-server", IceLakePfmCounters>;
 def : PfmCountersBinding<"rocketlake", IceLakePfmCounters>;
 def : PfmCountersBinding<"tigerlake", IceLakePfmCounters>;
 
+def AlderLakePfmCounters : ProcPfmCounters {
+  let CycleCounter = UnhaltedCoreCyclesPfmCounter;
+  let UopsCounter = UopsIssuedPfmCounter;
+  let IssueCounters = [
+    PfmIssueCounter<"ADLPPort00", "uops_dispatched_port:port_0">,
+    PfmIssueCounter<"ADLPPort01", "uops_dispatched_port:port_1">,
+    PfmIssueCounter<"ADLPPort02_03_10", "uops_dispatched_port:port_2_3_10">,
+    PfmIssueCounter<"ADLPPort04_09", "uops_dispatched_port:port_4_9">,
+    PfmIssueCounter<"ADLPPort05_11", "uops_dispatched_port:port_5_11">,
+    PfmIssueCounter<"ADLPPort06", "uops_dispatched_port:port_6">,
+    PfmIssueCounter<"ADLPPort07_08", "uops_dispatched_port:port_7_8">
+  ];
+  let ValidationCounters = DefaultIntelPfmValidationCounters;
+}
+def : PfmCountersBinding<"alderlake", AlderLakePfmCounters>;
+
 // AMD X86 Counters.
 defvar DefaultAMDPfmValidationCounters = [
   PfmValidationCounter<InstructionRetired, "RETIRED_INSTRUCTIONS">,

diff  --git a/llvm/lib/Target/X86/X86SchedAlderlakeP.td b/llvm/lib/Target/X86/X86SchedAlderlakeP.td
index 6f9d2cf7ffdf47..7756cd57cf7f84 100644
--- a/llvm/lib/Target/X86/X86SchedAlderlakeP.td
+++ b/llvm/lib/Target/X86/X86SchedAlderlakeP.td
@@ -60,6 +60,8 @@ def ADLPPort01_05_10       : ProcResGroup<[ADLPPort01, ADLPPort05, ADLPPort10]>;
 def ADLPPort02_03          : ProcResGroup<[ADLPPort02, ADLPPort03]>;
 def ADLPPort02_03_07       : ProcResGroup<[ADLPPort02, ADLPPort03, ADLPPort07]>;
 def ADLPPort02_03_11       : ProcResGroup<[ADLPPort02, ADLPPort03, ADLPPort11]>;
+def ADLPPort02_03_10       : ProcResGroup<[ADLPPort02, ADLPPort03, ADLPPort10]>;
+def ADLPPort05_11          : ProcResGroup<[ADLPPort05, ADLPPort11]>;
 def ADLPPort07_08          : ProcResGroup<[ADLPPort07, ADLPPort08]>;
 
 // EU has 112 reservation stations.
@@ -79,6 +81,10 @@ def ADLPPort02_03_07_08_11 : ProcResGroup<[ADLPPort02, ADLPPort03, ADLPPort07,
   let BufferSize = 72;
 }
 
+def ADLPPortAny : ProcResGroup<[ADLPPort00, ADLPPort01, ADLPPort02, ADLPPort03,
+                                ADLPPort04, ADLPPort05, ADLPPort06, ADLPPort07,
+                                ADLPPort08, ADLPPort09, ADLPPort10, ADLPPort11]>;
+
 // Integer loads are 5 cycles, so ReadAfterLd registers needn't be available
 // until 5 cycles after the memory operand.
 def : ReadAdvance<ReadAfterLd, 5>;