[llvm-branch-commits] [llvm] 0de519b - Revert "Reapply "[JTS][Passes] Enable JTS By Default" (#192884)"

via llvm-branch-commits llvm-branch-commits at lists.llvm.org
Sun Apr 19 21:41:11 PDT 2026 

Author: Aiden Grossman
Date: 2026-04-19T21:41:07-07:00
New Revision: 0de519b6d5be1c230e19d0813f7f7421107742b2

URL: https://github.com/llvm/llvm-project/commit/0de519b6d5be1c230e19d0813f7f7421107742b2
DIFF: https://github.com/llvm/llvm-project/commit/0de519b6d5be1c230e19d0813f7f7421107742b2.diff

LOG: Revert "Reapply "[JTS][Passes] Enable JTS By Default" (#192884)"

This reverts commit 36f8b96c88e44a0ef4735f6befecd1a2f04f3eb6.

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 5b2eddd7a05d2..0b732c6f14197 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::init(true),
-    cl::desc("Enable JumpTableToSwitch pass (default = true)"));
+    "enable-jump-table-to-switch",
+    cl::desc("Enable JumpTableToSwitch pass (default = off)"));
 
 // 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 ec1be6b9f4213..cebadfbda2fa5 100644
--- a/llvm/test/Other/new-pm-defaults.ll
+++ b/llvm/test/Other/new-pm-defaults.ll
@@ -75,6 +75,10 @@
 ; 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-O23SZ
 
+; 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-JUMP-TABLE-TO-SWITCH,CHECK-O23SZ,%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-O23SZ,%llvmcheckext,CHECK-MATRIX
@@ -154,7 +158,7 @@
 ; CHECK-O23SZ-NEXT: Running analysis: LazyValueAnalysis
 ; CHECK-O23SZ-NEXT: Running pass: CorrelatedValuePropagationPass
 ; CHECK-O23SZ-NEXT: Invalidating analysis: LazyValueAnalysis
-; CHECK-O23SZ-NEXT: Running pass: JumpTableToSwitchPass
+; CHECK-JUMP-TABLE-TO-SWITCH-NEXT: Running pass: JumpTableToSwitchPass
 ; CHECK-O-NEXT: Running pass: SimplifyCFGPass
 ; CHECK-O-NEXT: Running pass: InstCombinePass
 ; CHECK-O23SZ-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 34eefc8a9753e..3a3dbac0a7f02 100644
--- a/llvm/test/Other/new-pm-thinlto-postlink-defaults.ll
+++ b/llvm/test/Other/new-pm-thinlto-postlink-defaults.ll
@@ -91,7 +91,6 @@
 ; CHECK-O23SZ-NEXT: Running analysis: LazyValueAnalysis
 ; CHECK-O23SZ-NEXT: Running pass: CorrelatedValuePropagationPass
 ; CHECK-O23SZ-NEXT: Invalidating analysis: LazyValueAnalysis
-; CHECK-O23SZ-NEXT: Running pass: JumpTableToSwitchPass
 ; CHECK-O-NEXT: Running pass: SimplifyCFGPass
 ; CHECK-O-NEXT: Running pass: InstCombinePass
 ; CHECK-O23SZ-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 60ec8e63da035..6f32df6c423f0 100644
--- a/llvm/test/Other/new-pm-thinlto-postlink-pgo-defaults.ll
+++ b/llvm/test/Other/new-pm-thinlto-postlink-pgo-defaults.ll
@@ -79,7 +79,6 @@
 ; CHECK-O23SZ-NEXT: Running analysis: LazyValueAnalysis
 ; CHECK-O23SZ-NEXT: Running pass: CorrelatedValuePropagationPass
 ; CHECK-O23SZ-NEXT: Invalidating analysis: LazyValueAnalysis
-; CHECK-O23SZ-NEXT: Running pass: JumpTableToSwitchPass
 ; CHECK-O-NEXT: Running pass: SimplifyCFGPass
 ; CHECK-O-NEXT: Running pass: InstCombinePass
 ; CHECK-O23SZ-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 72c07d3bb6457..14a33c1ba1432 100644
--- a/llvm/test/Other/new-pm-thinlto-postlink-samplepgo-defaults.ll
+++ b/llvm/test/Other/new-pm-thinlto-postlink-samplepgo-defaults.ll
@@ -88,7 +88,6 @@
 ; CHECK-O23SZ-NEXT: Running analysis: LazyValueAnalysis
 ; CHECK-O23SZ-NEXT: Running pass: CorrelatedValuePropagationPass
 ; CHECK-O23SZ-NEXT: Invalidating analysis: LazyValueAnalysis
-; CHECK-O23SZ-NEXT: Running pass: JumpTableToSwitchPass
 ; CHECK-O-NEXT: Running pass: SimplifyCFGPass
 ; CHECK-O-NEXT: Running pass: InstCombinePass
 ; CHECK-O23SZ-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 6464b71e28690..ad5b235ea3d4d 100644
--- a/llvm/test/Other/new-pm-thinlto-prelink-defaults.ll
+++ b/llvm/test/Other/new-pm-thinlto-prelink-defaults.ll
@@ -123,7 +123,6 @@
 ; CHECK-O23SZ-NEXT: Running analysis: LazyValueAnalysis
 ; CHECK-O23SZ-NEXT: Running pass: CorrelatedValuePropagationPass
 ; CHECK-O23SZ-NEXT: Invalidating analysis: LazyValueAnalysis
-; CHECK-O23SZ-NEXT: Running pass: JumpTableToSwitchPass
 ; CHECK-O-NEXT: Running pass: SimplifyCFGPass
 ; CHECK-O-NEXT: Running pass: InstCombinePass
 ; CHECK-O23SZ-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 962acc9d67e2c..903f7dc4de78c 100644
--- a/llvm/test/Other/new-pm-thinlto-prelink-pgo-defaults.ll
+++ b/llvm/test/Other/new-pm-thinlto-prelink-pgo-defaults.ll
@@ -121,7 +121,6 @@
 ; CHECK-O23SZ-NEXT: Running analysis: LazyValueAnalysis
 ; CHECK-O23SZ-NEXT: Running pass: CorrelatedValuePropagationPass
 ; CHECK-O23SZ-NEXT: Invalidating analysis: LazyValueAnalysis
-; CHECK-O23SZ-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 091799d43f538..e125f127d12ff 100644
--- a/llvm/test/Other/new-pm-thinlto-prelink-samplepgo-defaults.ll
+++ b/llvm/test/Other/new-pm-thinlto-prelink-samplepgo-defaults.ll
@@ -93,7 +93,6 @@
 ; CHECK-O23SZ-NEXT: Running analysis: LazyValueAnalysis
 ; CHECK-O23SZ-NEXT: Running pass: CorrelatedValuePropagationPass
 ; CHECK-O23SZ-NEXT: Invalidating analysis: LazyValueAnalysis
-; CHECK-O23SZ-NEXT: Running pass: JumpTableToSwitchPass
 ; CHECK-O-NEXT: Running pass: SimplifyCFGPass
 ; CHECK-O-NEXT: Running pass: InstCombinePass
 ; CHECK-O23SZ-NEXT: Running pass: AggressiveInstCombinePass

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