[llvm] [BOLT][AArch64] Strip uneeded labels from FEAT_CMPBR tests. (PR #189931)

Alexandros Lamprineas via llvm-commits llvm-commits at lists.llvm.org
Wed Apr 1 03:13:42 PDT 2026


https://github.com/labrinea created https://github.com/llvm/llvm-project/pull/189931

Eliminates the temporary labels so that BOLT does not recognize them as secondary entry points.

>From 2a7830ed83c88640d206925438bbd1bc805e3428 Mon Sep 17 00:00:00 2001
From: Alexandros Lamprineas <alexandros.lamprineas at arm.com>
Date: Wed, 1 Apr 2026 11:08:32 +0100
Subject: [PATCH] [BOLT][AArch64] Strip uneeded labels from FEAT_CMPBR tests.

Eliminates the temporary labels so that BOLT does not recognize
them as secondary entry points.
---
 bolt/test/AArch64/compare-and-branch-inversion.S       | 9 +--------
 bolt/test/AArch64/compare-and-branch-reorder-blocks.S  | 9 +++------
 bolt/test/AArch64/compare-and-branch-split-functions.S | 3 +++
 bolt/test/AArch64/compare-and-branch-unsupported.S     | 3 +++
 4 files changed, 10 insertions(+), 14 deletions(-)

diff --git a/bolt/test/AArch64/compare-and-branch-inversion.S b/bolt/test/AArch64/compare-and-branch-inversion.S
index 479775a2bbd64..28167416c31cb 100644
--- a/bolt/test/AArch64/compare-and-branch-inversion.S
+++ b/bolt/test/AArch64/compare-and-branch-inversion.S
@@ -7,6 +7,7 @@
 
 # RUN: %clang %cflags -march=armv9-a+cmpbr -Wl,-q %s -o %t
 # RUN: link_fdata --no-lbr %s %t %t.fdata
+# RUN: llvm-strip --strip-unneeded %t
 # RUN: llvm-bolt -v=1 %t -o %t.bolt --data %t.fdata --reorder-blocks=ext-tsp --compact-code-model \
 # RUN:   | FileCheck %s --check-prefix=BOLT-INFO
 # RUN: llvm-objdump -d %t.bolt | FileCheck %s
@@ -30,10 +31,8 @@ immediate_increment:
 
 # CHECK: <immediate_increment>:
 # CHECK-NEXT:            {{.*}} cblt x0, #0x1, 0x[[ADDR0:[0-9a-f]+]] <{{.*}}>
-# CHECK:      <.exit0>:
 # CHECK-NEXT:            {{.*}} mov  x0, #0x2 // =2
 # CHECK-NEXT:            {{.*}} ret
-# CHECK:      <.cold0>:
 # CHECK-NEXT: [[ADDR0]]: {{.*}} mov x0, #0x1 // =1
 # CHECK-NEXT:            {{.*}} ret
 
@@ -54,10 +53,8 @@ immediate_decrement:
 
 # CHECK: <immediate_decrement>:
 # CHECK-NEXT:            {{.*}} cbhi x0, #0x0, 0x[[ADDR1:[0-9a-f]+]] <{{.*}}>
-# CHECK:      <.exit1>:
 # CHECK-NEXT:            {{.*}} mov  x0, #0x2 // =2
 # CHECK-NEXT:            {{.*}} ret
-# CHECK:      <.cold1>:
 # CHECK-NEXT: [[ADDR1]]: {{.*}} mov x0, #0x1 // =1
 # CHECK-NEXT:            {{.*}} ret
 
@@ -78,10 +75,8 @@ register_swap:
 
 # CHECK: <register_swap>:
 # CHECK-NEXT:            {{.*}} cbgt x1, x0, 0x[[ADDR2:[0-9a-f]+]] <{{.*}}>
-# CHECK:      <.exit2>:
 # CHECK-NEXT:            {{.*}} mov  x0, #0x2 // =2
 # CHECK-NEXT:            {{.*}} ret
-# CHECK:      <.cold2>:
 # CHECK-NEXT: [[ADDR2]]: {{.*}} mov x0, #0x1 // =1
 # CHECK-NEXT:            {{.*}} ret
 
@@ -105,10 +100,8 @@ irreversible:
 # CHECK: <irreversible>:
 # CHECK-NEXT:            {{.*}} cbgt x0, #0x3f, 0x[[ADDR3:[0-9a-f]+]] <{{.*}}>
 # CHECK-NEXT:            {{.*}} b               0x[[ADDR4:[0-9a-f]+]] <{{.*}}>
-# CHECK:      <.exit3>:
 # CHECK-NEXT: [[ADDR3]]: {{.*}} mov  x0, #0x2 // =2
 # CHECK-NEXT:            {{.*}} ret
-# CHECK:      <.cold3>:
 # CHECK-NEXT: [[ADDR4]]: {{.*}} mov x0, #0x1 // =1
 # CHECK-NEXT:            {{.*}} ret
 
diff --git a/bolt/test/AArch64/compare-and-branch-reorder-blocks.S b/bolt/test/AArch64/compare-and-branch-reorder-blocks.S
index a7c2bd122b3c5..a684e7148db87 100644
--- a/bolt/test/AArch64/compare-and-branch-reorder-blocks.S
+++ b/bolt/test/AArch64/compare-and-branch-reorder-blocks.S
@@ -6,16 +6,19 @@
 
 # RUN: %clang %cflags -march=armv9-a+cmpbr -Wl,-q %s -o %t -DNUM_NOPS=0 -DIMM=0
 # RUN: link_fdata --no-lbr %s %t %t.fdata
+# RUN: llvm-strip --strip-unneeded %t
 # RUN: llvm-bolt %t -o %t.bolt --data %t.fdata --reorder-blocks=ext-tsp --compact-code-model
 # RUN: llvm-objdump -d %t.bolt | FileCheck %s
 
 # RUN: %clang %cflags -march=armv9-a+cmpbr -Wl,-q %s -o %t -DNUM_NOPS=256 -DIMM=0
 # RUN: link_fdata --no-lbr %s %t %t.fdata
+# RUN: llvm-strip --strip-unneeded %t
 # RUN: llvm-bolt %t -o %t.bolt --data %t.fdata --reorder-blocks=ext-tsp --compact-code-model --keep-nops
 # RUN: llvm-objdump -d %t.bolt | FileCheck %s --check-prefix=BEYOND-1KB
 
 # RUN: %clang %cflags -march=armv9-a+cmpbr -Wl,-q %s -o %t -DNUM_NOPS=256 -DIMM=63
 # RUN: link_fdata --no-lbr %s %t %t.fdata
+# RUN: llvm-strip --strip-unneeded %t
 # RUN: llvm-bolt %t -o %t.bolt --data %t.fdata --reorder-blocks=ext-tsp --compact-code-model --keep-nops
 # RUN: llvm-objdump -d %t.bolt | FileCheck %s --check-prefix=BEYOND-1KB-IRREVERSIBLE
 
@@ -47,10 +50,8 @@ reorder_blocks:
 
 # CHECK:      <reorder_blocks>:
 # CHECK-NEXT:           {{.*}} cbgt x0, #0x0, 0x[[ADDR:[0-9a-f]+]] <{{.*}}>
-# CHECK:      <.hot_exit>:
 # CHECK-NEXT:           {{.*}} mov  x0, #0x2 // =2
 # CHECK-NEXT:           {{.*}} ret
-# CHECK:      <.cold_exit>:
 # CHECK-NEXT: [[ADDR]]: {{.*}} mov  x0, #0x1 // =1
 # CHECK-NEXT:           {{.*}} ret
 
@@ -59,11 +60,9 @@ reorder_blocks:
 # BEYOND-1KB:      <reorder_blocks>:
 # BEYOND-1KB-NEXT:            {{.*}} cblt x0, #0x1, 0x[[ADDR0:[0-9a-f]+]] <{{.*}}>
 # BEYOND-1KB-NEXT:            {{.*}} b              0x[[ADDR1:[0-9a-f]+]] <{{.*}}>
-# BEYOND-1KB:      <.hot_exit>:
 # BEYOND-1KB-NEXT: [[ADDR0]]: {{.*}} nop
 # BEYOND-1KB:                 {{.*}} mov  x0, #0x2 // =2
 # BEYOND-1KB-NEXT:            {{.*}} ret
-# BEYOND-1KB:      <.cold_exit>:
 # BEYOND-1KB-NEXT: [[ADDR1]]: {{.*}} mov  x0, #0x1 // =1
 # BEYOND-1KB-NEXT:            {{.*}} ret
 
@@ -73,10 +72,8 @@ reorder_blocks:
 # BEYOND-1KB-IRREVERSIBLE-NEXT:            {{.*}} cbgt x0, #0x3f, 0x[[ADDR0:[0-9a-f]+]] <{{.*}}>
 # BEYOND-1KB-IRREVERSIBLE-NEXT:            {{.*}} b               0x[[ADDR1:[0-9a-f]+]] <{{.*}}>
 # BEYOND-1KB-IRREVERSIBLE-NEXT: [[ADDR0]]: {{.*}} b               0x[[ADDR2:[0-9a-f]+]] <{{.*}}>
-# BEYOND-1KB-IRREVERSIBLE:      <.hot_exit>:
 # BEYOND-1KB-IRREVERSIBLE-NEXT: [[ADDR1]]: {{.*}} nop
 # BEYOND-1KB-IRREVERSIBLE:                 {{.*}} mov  x0, #0x2 // =2
 # BEYOND-1KB-IRREVERSIBLE-NEXT:            {{.*}} ret
-# BEYOND-1KB-IRREVERSIBLE:      <.cold_exit>:
 # BEYOND-1KB-IRREVERSIBLE-NEXT: [[ADDR2]]: {{.*}} mov  x0, #0x1 // =1
 # BEYOND-1KB-IRREVERSIBLE-NEXT:            {{.*}} ret
diff --git a/bolt/test/AArch64/compare-and-branch-split-functions.S b/bolt/test/AArch64/compare-and-branch-split-functions.S
index b9309a1ec69a1..f111f15bd4bf6 100644
--- a/bolt/test/AArch64/compare-and-branch-split-functions.S
+++ b/bolt/test/AArch64/compare-and-branch-split-functions.S
@@ -6,16 +6,19 @@
 
 # RUN: %clang %cflags -march=armv9-a+cmpbr -Wl,-q %s -o %t -DNUM_NOPS=0 -DRESERVE_SPACE=0
 # RUN: link_fdata --no-lbr %s %t %t.fdata
+# RUN: llvm-strip --strip-unneeded %t
 # RUN: llvm-bolt %t -o %t.bolt --data %t.fdata -split-functions --compact-code-model
 # RUN: llvm-objdump -d %t.bolt | FileCheck %s
 
 # RUN: %clang %cflags -march=armv9-a+cmpbr -Wl,-q %s -o %t -DNUM_NOPS=256 -DRESERVE_SPACE=0
 # RUN: link_fdata --no-lbr %s %t %t.fdata
+# RUN: llvm-strip --strip-unneeded %t
 # RUN: llvm-bolt %t -o %t.bolt --data %t.fdata -split-functions --compact-code-model --keep-nops
 # RUN: llvm-objdump -d %t.bolt | FileCheck %s
 
 # RUN: %clang %cflags -march=armv9-a+cmpbr -Wl,-q %s -o %t -DNUM_NOPS=0 -DRESERVE_SPACE=1
 # RUN: link_fdata --no-lbr %s %t %t.fdata
+# RUN: llvm-strip --strip-unneeded %t
 # RUN: not llvm-bolt %t -o %t.bolt --data %t.fdata -split-functions --compact-code-model 2>&1 \
 # RUN:   | FileCheck %s --check-prefix=BEYOND-128MB
 
diff --git a/bolt/test/AArch64/compare-and-branch-unsupported.S b/bolt/test/AArch64/compare-and-branch-unsupported.S
index a09c4fd32506c..b0384cee06181 100644
--- a/bolt/test/AArch64/compare-and-branch-unsupported.S
+++ b/bolt/test/AArch64/compare-and-branch-unsupported.S
@@ -5,16 +5,19 @@
 
 # RUN: %clang %cflags -march=armv9-a+cmpbr -Wl,-q %s -o %t -DNUM_NOPS=0 -DRESERVE_SPACE=0
 # RUN: link_fdata --no-lbr %s %t %t.fdata
+# RUN: llvm-strip --strip-unneeded %t
 # RUN: not llvm-bolt %t -o %t.bolt --data %t.fdata -split-functions 2>&1 \
 # RUN:   | FileCheck %s
 
 # RUN: %clang %cflags -march=armv9-a+cmpbr -Wl,-q %s -o %t -DNUM_NOPS=256 -DRESERVE_SPACE=0
 # RUN: link_fdata --no-lbr %s %t %t.fdata
+# RUN: llvm-strip --strip-unneeded %t
 # RUN: not llvm-bolt %t -o %t.bolt --data %t.fdata -split-functions --keep-nops 2>&1 \
 # RUN:   | FileCheck %s
 
 # RUN: %clang %cflags -march=armv9-a+cmpbr -Wl,-q %s -o %t -DNUM_NOPS=0 -DRESERVE_SPACE=1
 # RUN: link_fdata --no-lbr %s %t %t.fdata
+# RUN: llvm-strip --strip-unneeded %t
 # RUN: not llvm-bolt %t -o %t.bolt --data %t.fdata -split-functions 2>&1 \
 # RUN:   | FileCheck %s
 



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