[llvm] a80d2a7 - Reapply "[JTS][Passes] Enable JTS By Default" (#193409)" (#195776)

via llvm-commits llvm-commits at lists.llvm.org
Mon May 4 19:49:08 PDT 2026 

Author: Aiden Grossman
Date: 2026-05-05T02:49:02Z
New Revision: a80d2a71937495e097380b2773a91aea1f804a90

URL: https://github.com/llvm/llvm-project/commit/a80d2a71937495e097380b2773a91aea1f804a90
DIFF: https://github.com/llvm/llvm-project/commit/a80d2a71937495e097380b2773a91aea1f804a90.diff

LOG: Reapply "[JTS][Passes] Enable JTS By Default" (#193409)" (#195776)

This reverts commit c74951c6c3074be23fd7b12843e1187ca98e98af.

The ASan issues on the buildbot should be fixed by
b5f4f16fd98cb57a13a96b7d7faa89326636c5bc.

Added: 
    

Modified: 
    llvm/lib/Passes/PassBuilderPipelines.cpp
    llvm/test/Other/new-pm-defaults.ll
    llvm/test/Other/new-pm-thinlto-postlink-defaults.ll
    llvm/test/Other/new-pm-thinlto-postlink-pgo-defaults.ll
    llvm/test/Other/new-pm-thinlto-postlink-samplepgo-defaults.ll
    llvm/test/Other/new-pm-thinlto-prelink-defaults.ll
    llvm/test/Other/new-pm-thinlto-prelink-pgo-defaults.ll
    llvm/test/Other/new-pm-thinlto-prelink-samplepgo-defaults.ll

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Passes/PassBuilderPipelines.cpp b/llvm/lib/Passes/PassBuilderPipelines.cpp
index 525063cb9730a..319ea2f3a69a1 100644
--- a/llvm/lib/Passes/PassBuilderPipelines.cpp
+++ b/llvm/lib/Passes/PassBuilderPipelines.cpp
@@ -252,8 +252,8 @@ static cl::opt<bool>
                   cl::desc("Enable the GVN sinking pass (default = off)"));
 
 static cl::opt<bool> EnableJumpTableToSwitch(
-    "enable-jump-table-to-switch",
-    cl::desc("Enable JumpTableToSwitch pass (default = off)"));
+    "enable-jump-table-to-switch", cl::init(true),
+    cl::desc("Enable JumpTableToSwitch pass (default = true)"));
 
 // This option is used in simplifying testing SampleFDO optimizations for
 // profile loading.

diff  --git a/llvm/test/Other/new-pm-defaults.ll b/llvm/test/Other/new-pm-defaults.ll
index 41ac7314deeb3..3048206add4e2 100644
--- a/llvm/test/Other/new-pm-defaults.ll
+++ b/llvm/test/Other/new-pm-defaults.ll
@@ -69,10 +69,6 @@
 ; RUN:     -passes='default<O3>' -S  %s 2>&1 \
 ; RUN:     | FileCheck %s --check-prefixes=CHECK-O,CHECK-DEFAULT,CHECK-O3,%llvmcheckext,CHECK-EP-OPTIMIZER-LAST,CHECK-O23
 
-; RUN: opt -disable-verify -verify-analysis-invalidation=0 -eagerly-invalidate-analyses=0 -debug-pass-manager \
-; RUN:     -passes='default<O3>' -enable-jump-table-to-switch -S  %s 2>&1 \
-; RUN:     | FileCheck %s --check-prefixes=CHECK-O,CHECK-DEFAULT,CHECK-O3,CHECK-O23,CHECK-JUMP-TABLE-TO-SWITCH,%llvmcheckext
-
 ; RUN: opt -disable-verify -verify-analysis-invalidation=0 -eagerly-invalidate-analyses=0 -debug-pass-manager \
 ; RUN:     -passes='default<O3>' -enable-matrix -S  %s 2>&1 \
 ; RUN:     | FileCheck %s --check-prefixes=CHECK-O,CHECK-DEFAULT,CHECK-O3,CHECK-O23,%llvmcheckext,CHECK-MATRIX
@@ -152,7 +148,7 @@
 ; CHECK-O23-NEXT: Running analysis: LazyValueAnalysis
 ; CHECK-O23-NEXT: Running pass: CorrelatedValuePropagationPass
 ; CHECK-O23-NEXT: Invalidating analysis: LazyValueAnalysis
-; CHECK-JUMP-TABLE-TO-SWITCH-NEXT: Running pass: JumpTableToSwitchPass
+; CHECK-O23-NEXT: Running pass: JumpTableToSwitchPass
 ; CHECK-O-NEXT: Running pass: SimplifyCFGPass
 ; CHECK-O-NEXT: Running pass: InstCombinePass
 ; CHECK-O23-NEXT: Running pass: AggressiveInstCombinePass

diff  --git a/llvm/test/Other/new-pm-thinlto-postlink-defaults.ll b/llvm/test/Other/new-pm-thinlto-postlink-defaults.ll
index 06e9e1e988b33..c16ec4800b6bc 100644
--- a/llvm/test/Other/new-pm-thinlto-postlink-defaults.ll
+++ b/llvm/test/Other/new-pm-thinlto-postlink-defaults.ll
@@ -85,6 +85,7 @@
 ; CHECK-O23-NEXT: Running analysis: LazyValueAnalysis
 ; CHECK-O23-NEXT: Running pass: CorrelatedValuePropagationPass
 ; CHECK-O23-NEXT: Invalidating analysis: LazyValueAnalysis
+; CHECK-O23-NEXT: Running pass: JumpTableToSwitchPass
 ; CHECK-O-NEXT: Running pass: SimplifyCFGPass
 ; CHECK-O-NEXT: Running pass: InstCombinePass
 ; CHECK-O23-NEXT: Running pass: AggressiveInstCombinePass

diff  --git a/llvm/test/Other/new-pm-thinlto-postlink-pgo-defaults.ll b/llvm/test/Other/new-pm-thinlto-postlink-pgo-defaults.ll
index 654c9ea154e29..15f11914bbde2 100644
--- a/llvm/test/Other/new-pm-thinlto-postlink-pgo-defaults.ll
+++ b/llvm/test/Other/new-pm-thinlto-postlink-pgo-defaults.ll
@@ -73,6 +73,7 @@
 ; CHECK-O23-NEXT: Running analysis: LazyValueAnalysis
 ; CHECK-O23-NEXT: Running pass: CorrelatedValuePropagationPass
 ; CHECK-O23-NEXT: Invalidating analysis: LazyValueAnalysis
+; CHECK-O23-NEXT: Running pass: JumpTableToSwitchPass
 ; CHECK-O-NEXT: Running pass: SimplifyCFGPass
 ; CHECK-O-NEXT: Running pass: InstCombinePass
 ; CHECK-O23-NEXT: Running pass: AggressiveInstCombinePass

diff  --git a/llvm/test/Other/new-pm-thinlto-postlink-samplepgo-defaults.ll b/llvm/test/Other/new-pm-thinlto-postlink-samplepgo-defaults.ll
index 0ad18be5328b7..8eac5cf56a106 100644
--- a/llvm/test/Other/new-pm-thinlto-postlink-samplepgo-defaults.ll
+++ b/llvm/test/Other/new-pm-thinlto-postlink-samplepgo-defaults.ll
@@ -80,6 +80,7 @@
 ; CHECK-O23-NEXT: Running analysis: LazyValueAnalysis
 ; CHECK-O23-NEXT: Running pass: CorrelatedValuePropagationPass
 ; CHECK-O23-NEXT: Invalidating analysis: LazyValueAnalysis
+; CHECK-O23-NEXT: Running pass: JumpTableToSwitchPass
 ; CHECK-O-NEXT: Running pass: SimplifyCFGPass
 ; CHECK-O-NEXT: Running pass: InstCombinePass
 ; CHECK-O23-NEXT: Running pass: AggressiveInstCombinePass

diff  --git a/llvm/test/Other/new-pm-thinlto-prelink-defaults.ll b/llvm/test/Other/new-pm-thinlto-prelink-defaults.ll
index 20d75913750a0..f4245b66b0429 100644
--- a/llvm/test/Other/new-pm-thinlto-prelink-defaults.ll
+++ b/llvm/test/Other/new-pm-thinlto-prelink-defaults.ll
@@ -111,6 +111,7 @@
 ; CHECK-O23-NEXT: Running analysis: LazyValueAnalysis
 ; CHECK-O23-NEXT: Running pass: CorrelatedValuePropagationPass
 ; CHECK-O23-NEXT: Invalidating analysis: LazyValueAnalysis
+; CHECK-O23-NEXT: Running pass: JumpTableToSwitchPass
 ; CHECK-O-NEXT: Running pass: SimplifyCFGPass
 ; CHECK-O-NEXT: Running pass: InstCombinePass
 ; CHECK-O23-NEXT: Running pass: AggressiveInstCombinePass

diff  --git a/llvm/test/Other/new-pm-thinlto-prelink-pgo-defaults.ll b/llvm/test/Other/new-pm-thinlto-prelink-pgo-defaults.ll
index 5e0ad37da0dee..87acb355fddc7 100644
--- a/llvm/test/Other/new-pm-thinlto-prelink-pgo-defaults.ll
+++ b/llvm/test/Other/new-pm-thinlto-prelink-pgo-defaults.ll
@@ -113,6 +113,7 @@
 ; CHECK-O23-NEXT: Running analysis: LazyValueAnalysis
 ; CHECK-O23-NEXT: Running pass: CorrelatedValuePropagationPass
 ; CHECK-O23-NEXT: Invalidating analysis: LazyValueAnalysis
+; CHECK-O23-NEXT: Running pass: JumpTableToSwitchPass
 ; CHECK-O-NEXT: Running pass: SimplifyCFGPass
 ; CHECK-O-NEXT: Running pass: InstCombinePass
 ; CHECK-O-NEXT: Running analysis: LastRunTrackingAnalysis

diff  --git a/llvm/test/Other/new-pm-thinlto-prelink-samplepgo-defaults.ll b/llvm/test/Other/new-pm-thinlto-prelink-samplepgo-defaults.ll
index 426144c12ec46..e5c1453d692eb 100644
--- a/llvm/test/Other/new-pm-thinlto-prelink-samplepgo-defaults.ll
+++ b/llvm/test/Other/new-pm-thinlto-prelink-samplepgo-defaults.ll
@@ -85,6 +85,7 @@
 ; CHECK-O23-NEXT: Running analysis: LazyValueAnalysis
 ; CHECK-O23-NEXT: Running pass: CorrelatedValuePropagationPass
 ; CHECK-O23-NEXT: Invalidating analysis: LazyValueAnalysis
+; CHECK-O23-NEXT: Running pass: JumpTableToSwitchPass
 ; CHECK-O-NEXT: Running pass: SimplifyCFGPass
 ; CHECK-O-NEXT: Running pass: InstCombinePass
 ; CHECK-O23-NEXT: Running pass: AggressiveInstCombinePass

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