[llvm] [llvm-mca][x86] Sync resource tests using generic base references (PR #157511)
Simon Pilgrim via llvm-commits
llvm-commits at lists.llvm.org
Mon Sep 8 09:42:08 PDT 2025
https://github.com/RKSimon created https://github.com/llvm/llvm-project/pull/157511
Some of the targets isa test coverage seems to have bitrotted or is just missing - resync with the generic reference code
>From fb32f48bb36a4ac3338461a6b1d6ac7065e7b5f6 Mon Sep 17 00:00:00 2001
From: Simon Pilgrim <llvm-dev at redking.me.uk>
Date: Mon, 8 Sep 2025 17:41:12 +0100
Subject: [PATCH] [llvm-mca][x86] Sync resource tests using generic base
references
Some of the targets isa test coverage seems to have bitrotted or is just missing - resync with the generic reference code
---
.../llvm-mca/X86/Znver2/resources-cmpxchg.s | 8 +-
.../llvm-mca/X86/Znver3/resources-cmpxchg.s | 8 +-
.../llvm-mca/X86/Znver4/resources-mwaitx.s | 51 ++++++++++
.../tools/llvm-mca/X86/Znver4/resources-sha.s | 93 +++++++++++++++++++
.../llvm-mca/X86/Znver4/resources-sse4a.s | 65 +++++++++++++
5 files changed, 223 insertions(+), 2 deletions(-)
create mode 100644 llvm/test/tools/llvm-mca/X86/Znver4/resources-mwaitx.s
create mode 100644 llvm/test/tools/llvm-mca/X86/Znver4/resources-sha.s
create mode 100644 llvm/test/tools/llvm-mca/X86/Znver4/resources-sse4a.s
diff --git a/llvm/test/tools/llvm-mca/X86/Znver2/resources-cmpxchg.s b/llvm/test/tools/llvm-mca/X86/Znver2/resources-cmpxchg.s
index 35492c3edf3a1..8765dbd37e8b7 100644
--- a/llvm/test/tools/llvm-mca/X86/Znver2/resources-cmpxchg.s
+++ b/llvm/test/tools/llvm-mca/X86/Znver2/resources-cmpxchg.s
@@ -3,6 +3,8 @@
cmpxchg8b (%rax)
cmpxchg16b (%rax)
+lock cmpxchg8b (%rax)
+lock cmpxchg16b (%rax)
# CHECK: Instruction Info:
# CHECK-NEXT: [1]: #uOps
@@ -15,6 +17,8 @@ cmpxchg16b (%rax)
# CHECK: [1] [2] [3] [4] [5] [6] Instructions:
# CHECK-NEXT: 18 1 0.33 * * cmpxchg8b (%rax)
# CHECK-NEXT: 1 100 0.25 * * cmpxchg16b (%rax)
+# CHECK-NEXT: 18 1 0.33 * * lock cmpxchg8b (%rax)
+# CHECK-NEXT: 1 100 0.25 * * lock cmpxchg16b (%rax)
# CHECK: Resources:
# CHECK-NEXT: [0] - Zn2AGU0
@@ -33,9 +37,11 @@ cmpxchg16b (%rax)
# CHECK: Resource pressure per iteration:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12]
-# CHECK-NEXT: 0.33 0.33 0.33 0.25 0.25 0.25 0.25 - - - - - -
+# CHECK-NEXT: 0.67 0.67 0.67 0.50 0.50 0.50 0.50 - - - - - -
# CHECK: Resource pressure by instruction:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] Instructions:
# CHECK-NEXT: 0.33 0.33 0.33 0.25 0.25 0.25 0.25 - - - - - - cmpxchg8b (%rax)
# CHECK-NEXT: - - - - - - - - - - - - - cmpxchg16b (%rax)
+# CHECK-NEXT: 0.33 0.33 0.33 0.25 0.25 0.25 0.25 - - - - - - lock cmpxchg8b (%rax)
+# CHECK-NEXT: - - - - - - - - - - - - - lock cmpxchg16b (%rax)
diff --git a/llvm/test/tools/llvm-mca/X86/Znver3/resources-cmpxchg.s b/llvm/test/tools/llvm-mca/X86/Znver3/resources-cmpxchg.s
index 9ab877636b29a..1667171148a3b 100644
--- a/llvm/test/tools/llvm-mca/X86/Znver3/resources-cmpxchg.s
+++ b/llvm/test/tools/llvm-mca/X86/Znver3/resources-cmpxchg.s
@@ -3,6 +3,8 @@
cmpxchg8b (%rax)
cmpxchg16b (%rax)
+lock cmpxchg8b (%rax)
+lock cmpxchg16b (%rax)
# CHECK: Instruction Info:
# CHECK-NEXT: [1]: #uOps
@@ -15,6 +17,8 @@ cmpxchg16b (%rax)
# CHECK: [1] [2] [3] [4] [5] [6] Instructions:
# CHECK-NEXT: 19 3 6.00 * * cmpxchg8b (%rax)
# CHECK-NEXT: 28 4 14.75 * * cmpxchg16b (%rax)
+# CHECK-NEXT: 19 3 6.00 * * lock cmpxchg8b (%rax)
+# CHECK-NEXT: 28 4 14.75 * * lock cmpxchg16b (%rax)
# CHECK: Resources:
# CHECK-NEXT: [0] - Zn3AGU0
@@ -43,9 +47,11 @@ cmpxchg16b (%rax)
# CHECK: Resource pressure per iteration:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12.0] [12.1] [13] [14.0] [14.1] [14.2] [15.0] [15.1] [15.2] [16.0] [16.1]
-# CHECK-NEXT: - - - 20.75 20.75 20.75 20.75 - - - - - - - - - - - - - - - -
+# CHECK-NEXT: - - - 41.50 41.50 41.50 41.50 - - - - - - - - - - - - - - - -
# CHECK: Resource pressure by instruction:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12.0] [12.1] [13] [14.0] [14.1] [14.2] [15.0] [15.1] [15.2] [16.0] [16.1] Instructions:
# CHECK-NEXT: - - - 6.00 6.00 6.00 6.00 - - - - - - - - - - - - - - - - cmpxchg8b (%rax)
# CHECK-NEXT: - - - 14.75 14.75 14.75 14.75 - - - - - - - - - - - - - - - - cmpxchg16b (%rax)
+# CHECK-NEXT: - - - 6.00 6.00 6.00 6.00 - - - - - - - - - - - - - - - - lock cmpxchg8b (%rax)
+# CHECK-NEXT: - - - 14.75 14.75 14.75 14.75 - - - - - - - - - - - - - - - - lock cmpxchg16b (%rax)
diff --git a/llvm/test/tools/llvm-mca/X86/Znver4/resources-mwaitx.s b/llvm/test/tools/llvm-mca/X86/Znver4/resources-mwaitx.s
new file mode 100644
index 0000000000000..f42a35e5d3ce0
--- /dev/null
+++ b/llvm/test/tools/llvm-mca/X86/Znver4/resources-mwaitx.s
@@ -0,0 +1,51 @@
+# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py
+# RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=znver4 -instruction-tables < %s | FileCheck %s
+
+monitorx
+mwaitx
+
+# CHECK: Instruction Info:
+# CHECK-NEXT: [1]: #uOps
+# CHECK-NEXT: [2]: Latency
+# CHECK-NEXT: [3]: RThroughput
+# CHECK-NEXT: [4]: MayLoad
+# CHECK-NEXT: [5]: MayStore
+# CHECK-NEXT: [6]: HasSideEffects (U)
+
+# CHECK: [1] [2] [3] [4] [5] [6] Instructions:
+# CHECK-NEXT: 100 100 25.00 U monitorx
+# CHECK-NEXT: 100 100 25.00 U mwaitx
+
+# CHECK: Resources:
+# CHECK-NEXT: [0] - Zn4AGU0
+# CHECK-NEXT: [1] - Zn4AGU1
+# CHECK-NEXT: [2] - Zn4AGU2
+# CHECK-NEXT: [3] - Zn4ALU0
+# CHECK-NEXT: [4] - Zn4ALU1
+# CHECK-NEXT: [5] - Zn4ALU2
+# CHECK-NEXT: [6] - Zn4ALU3
+# CHECK-NEXT: [7] - Zn4BRU1
+# CHECK-NEXT: [8] - Zn4FP0
+# CHECK-NEXT: [9] - Zn4FP1
+# CHECK-NEXT: [10] - Zn4FP2
+# CHECK-NEXT: [11] - Zn4FP3
+# CHECK-NEXT: [12.0] - Zn4FP45
+# CHECK-NEXT: [12.1] - Zn4FP45
+# CHECK-NEXT: [13] - Zn4FPSt
+# CHECK-NEXT: [14.0] - Zn4LSU
+# CHECK-NEXT: [14.1] - Zn4LSU
+# CHECK-NEXT: [14.2] - Zn4LSU
+# CHECK-NEXT: [15.0] - Zn4Load
+# CHECK-NEXT: [15.1] - Zn4Load
+# CHECK-NEXT: [15.2] - Zn4Load
+# CHECK-NEXT: [16.0] - Zn4Store
+# CHECK-NEXT: [16.1] - Zn4Store
+
+# CHECK: Resource pressure per iteration:
+# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12.0] [12.1] [13] [14.0] [14.1] [14.2] [15.0] [15.1] [15.2] [16.0] [16.1]
+# CHECK-NEXT: - - - 50.00 50.00 50.00 50.00 - - - - - - - - - - - - - - - -
+
+# CHECK: Resource pressure by instruction:
+# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12.0] [12.1] [13] [14.0] [14.1] [14.2] [15.0] [15.1] [15.2] [16.0] [16.1] Instructions:
+# CHECK-NEXT: - - - 25.00 25.00 25.00 25.00 - - - - - - - - - - - - - - - - monitorx
+# CHECK-NEXT: - - - 25.00 25.00 25.00 25.00 - - - - - - - - - - - - - - - - mwaitx
diff --git a/llvm/test/tools/llvm-mca/X86/Znver4/resources-sha.s b/llvm/test/tools/llvm-mca/X86/Znver4/resources-sha.s
new file mode 100644
index 0000000000000..553466c35c9fe
--- /dev/null
+++ b/llvm/test/tools/llvm-mca/X86/Znver4/resources-sha.s
@@ -0,0 +1,93 @@
+# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py
+# RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=znver4 -instruction-tables < %s | FileCheck %s
+
+sha1msg1 %xmm0, %xmm2
+sha1msg1 (%rax), %xmm2
+
+sha1msg2 %xmm0, %xmm2
+sha1msg2 (%rax), %xmm2
+
+sha1nexte %xmm0, %xmm2
+sha1nexte (%rax), %xmm2
+
+sha1rnds4 $3, %xmm0, %xmm2
+sha1rnds4 $3, (%rax), %xmm2
+
+sha256msg1 %xmm0, %xmm2
+sha256msg1 (%rax), %xmm2
+
+sha256msg2 %xmm0, %xmm2
+sha256msg2 (%rax), %xmm2
+
+sha256rnds2 %xmm0, %xmm2
+sha256rnds2 (%rax), %xmm2
+
+# CHECK: Instruction Info:
+# CHECK-NEXT: [1]: #uOps
+# CHECK-NEXT: [2]: Latency
+# CHECK-NEXT: [3]: RThroughput
+# CHECK-NEXT: [4]: MayLoad
+# CHECK-NEXT: [5]: MayStore
+# CHECK-NEXT: [6]: HasSideEffects (U)
+
+# CHECK: [1] [2] [3] [4] [5] [6] Instructions:
+# CHECK-NEXT: 2 2 0.50 sha1msg1 %xmm0, %xmm2
+# CHECK-NEXT: 2 6 0.50 * sha1msg1 (%rax), %xmm2
+# CHECK-NEXT: 1 1 0.50 sha1msg2 %xmm0, %xmm2
+# CHECK-NEXT: 1 5 0.50 * sha1msg2 (%rax), %xmm2
+# CHECK-NEXT: 1 1 0.50 sha1nexte %xmm0, %xmm2
+# CHECK-NEXT: 1 5 0.50 * sha1nexte (%rax), %xmm2
+# CHECK-NEXT: 1 6 2.00 sha1rnds4 $3, %xmm0, %xmm2
+# CHECK-NEXT: 1 10 0.50 * sha1rnds4 $3, (%rax), %xmm2
+# CHECK-NEXT: 2 2 0.75 sha256msg1 %xmm0, %xmm2
+# CHECK-NEXT: 2 6 0.75 * sha256msg1 (%rax), %xmm2
+# CHECK-NEXT: 4 3 2.00 sha256msg2 %xmm0, %xmm2
+# CHECK-NEXT: 5 7 2.00 * sha256msg2 (%rax), %xmm2
+# CHECK-NEXT: 1 4 2.00 sha256rnds2 %xmm0, %xmm0, %xmm2
+# CHECK-NEXT: 1 10 0.50 * sha256rnds2 %xmm0, (%rax), %xmm2
+
+# CHECK: Resources:
+# CHECK-NEXT: [0] - Zn4AGU0
+# CHECK-NEXT: [1] - Zn4AGU1
+# CHECK-NEXT: [2] - Zn4AGU2
+# CHECK-NEXT: [3] - Zn4ALU0
+# CHECK-NEXT: [4] - Zn4ALU1
+# CHECK-NEXT: [5] - Zn4ALU2
+# CHECK-NEXT: [6] - Zn4ALU3
+# CHECK-NEXT: [7] - Zn4BRU1
+# CHECK-NEXT: [8] - Zn4FP0
+# CHECK-NEXT: [9] - Zn4FP1
+# CHECK-NEXT: [10] - Zn4FP2
+# CHECK-NEXT: [11] - Zn4FP3
+# CHECK-NEXT: [12.0] - Zn4FP45
+# CHECK-NEXT: [12.1] - Zn4FP45
+# CHECK-NEXT: [13] - Zn4FPSt
+# CHECK-NEXT: [14.0] - Zn4LSU
+# CHECK-NEXT: [14.1] - Zn4LSU
+# CHECK-NEXT: [14.2] - Zn4LSU
+# CHECK-NEXT: [15.0] - Zn4Load
+# CHECK-NEXT: [15.1] - Zn4Load
+# CHECK-NEXT: [15.2] - Zn4Load
+# CHECK-NEXT: [16.0] - Zn4Store
+# CHECK-NEXT: [16.1] - Zn4Store
+
+# CHECK: Resource pressure per iteration:
+# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12.0] [12.1] [13] [14.0] [14.1] [14.2] [15.0] [15.1] [15.2] [16.0] [16.1]
+# CHECK-NEXT: 1.67 1.67 1.67 - - - - - 13.50 12.50 12.50 13.50 1.00 1.00 - 2.33 2.33 2.33 2.33 2.33 2.33 - -
+
+# CHECK: Resource pressure by instruction:
+# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12.0] [12.1] [13] [14.0] [14.1] [14.2] [15.0] [15.1] [15.2] [16.0] [16.1] Instructions:
+# CHECK-NEXT: - - - - - - - - 0.50 0.50 0.50 0.50 - - - - - - - - - - - sha1msg1 %xmm0, %xmm2
+# CHECK-NEXT: 0.33 0.33 0.33 - - - - - 0.50 0.50 0.50 0.50 - - - 0.33 0.33 0.33 0.33 0.33 0.33 - - sha1msg1 (%rax), %xmm2
+# CHECK-NEXT: - - - - - - - - 0.50 0.50 0.50 0.50 - - - - - - - - - - - sha1msg2 %xmm0, %xmm2
+# CHECK-NEXT: 0.33 0.33 0.33 - - - - - 0.50 0.50 0.50 0.50 - - - 0.33 0.33 0.33 0.33 0.33 0.33 - - sha1msg2 (%rax), %xmm2
+# CHECK-NEXT: - - - - - - - - 0.50 0.50 0.50 0.50 - - - - - - - - - - - sha1nexte %xmm0, %xmm2
+# CHECK-NEXT: 0.33 0.33 0.33 - - - - - 0.50 0.50 0.50 0.50 - - - 0.33 0.33 0.33 0.33 0.33 0.33 - - sha1nexte (%rax), %xmm2
+# CHECK-NEXT: - - - - - - - - 2.00 2.00 2.00 2.00 - - - - - - - - - - - sha1rnds4 $3, %xmm0, %xmm2
+# CHECK-NEXT: - - - - - - - - 0.50 - - 0.50 0.50 0.50 - 0.33 0.33 0.33 0.33 0.33 0.33 - - sha1rnds4 $3, (%rax), %xmm2
+# CHECK-NEXT: - - - - - - - - 0.75 0.75 0.75 0.75 - - - - - - - - - - - sha256msg1 %xmm0, %xmm2
+# CHECK-NEXT: 0.33 0.33 0.33 - - - - - 0.75 0.75 0.75 0.75 - - - 0.33 0.33 0.33 0.33 0.33 0.33 - - sha256msg1 (%rax), %xmm2
+# CHECK-NEXT: - - - - - - - - 2.00 2.00 2.00 2.00 - - - - - - - - - - - sha256msg2 %xmm0, %xmm2
+# CHECK-NEXT: 0.33 0.33 0.33 - - - - - 2.00 2.00 2.00 2.00 - - - 0.33 0.33 0.33 0.33 0.33 0.33 - - sha256msg2 (%rax), %xmm2
+# CHECK-NEXT: - - - - - - - - 2.00 2.00 2.00 2.00 - - - - - - - - - - - sha256rnds2 %xmm0, %xmm0, %xmm2
+# CHECK-NEXT: - - - - - - - - 0.50 - - 0.50 0.50 0.50 - 0.33 0.33 0.33 0.33 0.33 0.33 - - sha256rnds2 %xmm0, (%rax), %xmm2
diff --git a/llvm/test/tools/llvm-mca/X86/Znver4/resources-sse4a.s b/llvm/test/tools/llvm-mca/X86/Znver4/resources-sse4a.s
new file mode 100644
index 0000000000000..36f7604d5efac
--- /dev/null
+++ b/llvm/test/tools/llvm-mca/X86/Znver4/resources-sse4a.s
@@ -0,0 +1,65 @@
+# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py
+# RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=znver4 -instruction-tables < %s | FileCheck %s
+
+extrq %xmm0, %xmm2
+extrq $22, $2, %xmm2
+
+insertq %xmm0, %xmm2
+insertq $22, $22, %xmm0, %xmm2
+
+movntsd %xmm0, (%rax)
+movntss %xmm0, (%rax)
+
+# CHECK: Instruction Info:
+# CHECK-NEXT: [1]: #uOps
+# CHECK-NEXT: [2]: Latency
+# CHECK-NEXT: [3]: RThroughput
+# CHECK-NEXT: [4]: MayLoad
+# CHECK-NEXT: [5]: MayStore
+# CHECK-NEXT: [6]: HasSideEffects (U)
+
+# CHECK: [1] [2] [3] [4] [5] [6] Instructions:
+# CHECK-NEXT: 1 3 0.50 extrq %xmm0, %xmm2
+# CHECK-NEXT: 2 3 0.50 extrq $22, $2, %xmm2
+# CHECK-NEXT: 1 3 0.50 insertq %xmm0, %xmm2
+# CHECK-NEXT: 2 3 0.50 insertq $22, $22, %xmm0, %xmm2
+# CHECK-NEXT: 1 1 1.00 * movntsd %xmm0, (%rax)
+# CHECK-NEXT: 1 1 1.00 * movntss %xmm0, (%rax)
+
+# CHECK: Resources:
+# CHECK-NEXT: [0] - Zn4AGU0
+# CHECK-NEXT: [1] - Zn4AGU1
+# CHECK-NEXT: [2] - Zn4AGU2
+# CHECK-NEXT: [3] - Zn4ALU0
+# CHECK-NEXT: [4] - Zn4ALU1
+# CHECK-NEXT: [5] - Zn4ALU2
+# CHECK-NEXT: [6] - Zn4ALU3
+# CHECK-NEXT: [7] - Zn4BRU1
+# CHECK-NEXT: [8] - Zn4FP0
+# CHECK-NEXT: [9] - Zn4FP1
+# CHECK-NEXT: [10] - Zn4FP2
+# CHECK-NEXT: [11] - Zn4FP3
+# CHECK-NEXT: [12.0] - Zn4FP45
+# CHECK-NEXT: [12.1] - Zn4FP45
+# CHECK-NEXT: [13] - Zn4FPSt
+# CHECK-NEXT: [14.0] - Zn4LSU
+# CHECK-NEXT: [14.1] - Zn4LSU
+# CHECK-NEXT: [14.2] - Zn4LSU
+# CHECK-NEXT: [15.0] - Zn4Load
+# CHECK-NEXT: [15.1] - Zn4Load
+# CHECK-NEXT: [15.2] - Zn4Load
+# CHECK-NEXT: [16.0] - Zn4Store
+# CHECK-NEXT: [16.1] - Zn4Store
+
+# CHECK: Resource pressure per iteration:
+# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12.0] [12.1] [13] [14.0] [14.1] [14.2] [15.0] [15.1] [15.2] [16.0] [16.1]
+# CHECK-NEXT: - - - - - - - - - 2.00 2.00 - 3.00 3.00 2.00 0.67 0.67 0.67 - - - 1.00 1.00
+
+# CHECK: Resource pressure by instruction:
+# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12.0] [12.1] [13] [14.0] [14.1] [14.2] [15.0] [15.1] [15.2] [16.0] [16.1] Instructions:
+# CHECK-NEXT: - - - - - - - - - 0.50 0.50 - 0.50 0.50 - - - - - - - - - extrq %xmm0, %xmm2
+# CHECK-NEXT: - - - - - - - - - 0.50 0.50 - 0.50 0.50 - - - - - - - - - extrq $22, $2, %xmm2
+# CHECK-NEXT: - - - - - - - - - 0.50 0.50 - 0.50 0.50 - - - - - - - - - insertq %xmm0, %xmm2
+# CHECK-NEXT: - - - - - - - - - 0.50 0.50 - 0.50 0.50 - - - - - - - - - insertq $22, $22, %xmm0, %xmm2
+# CHECK-NEXT: - - - - - - - - - - - - 0.50 0.50 1.00 0.33 0.33 0.33 - - - 0.50 0.50 movntsd %xmm0, (%rax)
+# CHECK-NEXT: - - - - - - - - - - - - 0.50 0.50 1.00 0.33 0.33 0.33 - - - 0.50 0.50 movntss %xmm0, (%rax)
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