[llvm-branch-commits] [NFC][ubsan] Add mixed filter test case (PR #100679)

via llvm-branch-commits llvm-branch-commits at lists.llvm.org
Thu Jul 25 18:00:43 PDT 2024


llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-transforms

Author: Vitaly Buka (vitalybuka)

<details>
<summary>Changes</summary>

Currently "random" overrides "hotness",
we need to make them work together.


---
Full diff: https://github.com/llvm/llvm-project/pull/100679.diff


1 Files Affected:

- (modified) llvm/test/Transforms/lower-builtin-allow-check.ll (+166) 


``````````diff
diff --git a/llvm/test/Transforms/lower-builtin-allow-check.ll b/llvm/test/Transforms/lower-builtin-allow-check.ll
index d992f420ac170..2f6fa96ffd9c5 100644
--- a/llvm/test/Transforms/lower-builtin-allow-check.ll
+++ b/llvm/test/Transforms/lower-builtin-allow-check.ll
@@ -4,6 +4,8 @@
 ; RUN: opt < %s -passes='function(lower-allow-check)' -lower-allow-check-random-rate=1 -S | FileCheck %s --check-prefixes=ALL
 ; RUN: opt < %s -passes='require<profile-summary>,function(lower-allow-check)' -lower-allow-check-percentile-cutoff-hot=990000 -S | FileCheck %s --check-prefixes=HOT99
 ; RUN: opt < %s -passes='require<profile-summary>,function(lower-allow-check)' -lower-allow-check-percentile-cutoff-hot=700000 -S | FileCheck %s --check-prefixes=HOT70
+; RUN: opt < %s -passes='require<profile-summary>,function(lower-allow-check)' -lower-allow-check-random-rate=0 -lower-allow-check-percentile-cutoff-hot=990000 -S | FileCheck %s --check-prefixes=NONE99
+; RUN: opt < %s -passes='require<profile-summary>,function(lower-allow-check)' -lower-allow-check-random-rate=1 -lower-allow-check-percentile-cutoff-hot=700000 -S | FileCheck %s --check-prefixes=ALL70
 
 target triple = "x86_64-pc-linux-gnu"
 
@@ -75,6 +77,32 @@ define dso_local noundef i32 @simple(ptr noundef readonly %0) {
 ; HOT70:       4:
 ; HOT70-NEXT:    [[TMP5:%.*]] = load i32, ptr [[TMP0]], align 4
 ; HOT70-NEXT:    ret i32 [[TMP5]]
+;
+; NONE99-LABEL: define dso_local noundef i32 @simple(
+; NONE99-SAME: ptr noundef readonly [[TMP0:%.*]]) {
+; NONE99-NEXT:    [[CHK:%.*]] = icmp eq ptr [[TMP0]], null
+; NONE99-NEXT:    [[HOT:%.*]] = xor i1 false, true
+; NONE99-NEXT:    [[TMP2:%.*]] = or i1 [[CHK]], [[HOT]]
+; NONE99-NEXT:    br i1 [[TMP2]], label [[TMP3:%.*]], label [[TMP4:%.*]]
+; NONE99:       3:
+; NONE99-NEXT:    tail call void @llvm.ubsantrap(i8 22)
+; NONE99-NEXT:    unreachable
+; NONE99:       4:
+; NONE99-NEXT:    [[TMP5:%.*]] = load i32, ptr [[TMP0]], align 4
+; NONE99-NEXT:    ret i32 [[TMP5]]
+;
+; ALL70-LABEL: define dso_local noundef i32 @simple(
+; ALL70-SAME: ptr noundef readonly [[TMP0:%.*]]) {
+; ALL70-NEXT:    [[CHK:%.*]] = icmp eq ptr [[TMP0]], null
+; ALL70-NEXT:    [[HOT:%.*]] = xor i1 true, true
+; ALL70-NEXT:    [[TMP2:%.*]] = or i1 [[CHK]], [[HOT]]
+; ALL70-NEXT:    br i1 [[TMP2]], label [[TMP3:%.*]], label [[TMP4:%.*]]
+; ALL70:       3:
+; ALL70-NEXT:    tail call void @llvm.ubsantrap(i8 22)
+; ALL70-NEXT:    unreachable
+; ALL70:       4:
+; ALL70-NEXT:    [[TMP5:%.*]] = load i32, ptr [[TMP0]], align 4
+; ALL70-NEXT:    ret i32 [[TMP5]]
 ;
   %chk = icmp eq ptr %0, null
   %allow = call i1 @llvm.allow.ubsan.check(i8 22)
@@ -157,6 +185,32 @@ define dso_local noundef i32 @hot(ptr noundef readonly %0) !prof !36 {
 ; HOT70:       4:
 ; HOT70-NEXT:    [[TMP5:%.*]] = load i32, ptr [[TMP0]], align 4
 ; HOT70-NEXT:    ret i32 [[TMP5]]
+;
+; NONE99-LABEL: define dso_local noundef i32 @hot(
+; NONE99-SAME: ptr noundef readonly [[TMP0:%.*]]) !prof [[PROF16:![0-9]+]] {
+; NONE99-NEXT:    [[CHK:%.*]] = icmp eq ptr [[TMP0]], null
+; NONE99-NEXT:    [[HOT:%.*]] = xor i1 false, true
+; NONE99-NEXT:    [[TMP2:%.*]] = or i1 [[CHK]], [[HOT]]
+; NONE99-NEXT:    br i1 [[TMP2]], label [[TMP3:%.*]], label [[TMP4:%.*]]
+; NONE99:       3:
+; NONE99-NEXT:    tail call void @llvm.ubsantrap(i8 22)
+; NONE99-NEXT:    unreachable
+; NONE99:       4:
+; NONE99-NEXT:    [[TMP5:%.*]] = load i32, ptr [[TMP0]], align 4
+; NONE99-NEXT:    ret i32 [[TMP5]]
+;
+; ALL70-LABEL: define dso_local noundef i32 @hot(
+; ALL70-SAME: ptr noundef readonly [[TMP0:%.*]]) !prof [[PROF16:![0-9]+]] {
+; ALL70-NEXT:    [[CHK:%.*]] = icmp eq ptr [[TMP0]], null
+; ALL70-NEXT:    [[HOT:%.*]] = xor i1 true, true
+; ALL70-NEXT:    [[TMP2:%.*]] = or i1 [[CHK]], [[HOT]]
+; ALL70-NEXT:    br i1 [[TMP2]], label [[TMP3:%.*]], label [[TMP4:%.*]]
+; ALL70:       3:
+; ALL70-NEXT:    tail call void @llvm.ubsantrap(i8 22)
+; ALL70-NEXT:    unreachable
+; ALL70:       4:
+; ALL70-NEXT:    [[TMP5:%.*]] = load i32, ptr [[TMP0]], align 4
+; ALL70-NEXT:    ret i32 [[TMP5]]
 ;
   %chk = icmp eq ptr %0, null
   %allow = call i1 @llvm.allow.ubsan.check(i8 22)
@@ -238,6 +292,32 @@ define dso_local noundef i32 @veryHot(ptr noundef readonly %0) !prof !39 {
 ; HOT70:       4:
 ; HOT70-NEXT:    [[TMP5:%.*]] = load i32, ptr [[TMP0]], align 4
 ; HOT70-NEXT:    ret i32 [[TMP5]]
+;
+; NONE99-LABEL: define dso_local noundef i32 @veryHot(
+; NONE99-SAME: ptr noundef readonly [[TMP0:%.*]]) !prof [[PROF17:![0-9]+]] {
+; NONE99-NEXT:    [[CHK:%.*]] = icmp eq ptr [[TMP0]], null
+; NONE99-NEXT:    [[HOT:%.*]] = xor i1 false, true
+; NONE99-NEXT:    [[TMP2:%.*]] = or i1 [[CHK]], [[HOT]]
+; NONE99-NEXT:    br i1 [[TMP2]], label [[TMP3:%.*]], label [[TMP4:%.*]]
+; NONE99:       3:
+; NONE99-NEXT:    tail call void @llvm.ubsantrap(i8 22)
+; NONE99-NEXT:    unreachable
+; NONE99:       4:
+; NONE99-NEXT:    [[TMP5:%.*]] = load i32, ptr [[TMP0]], align 4
+; NONE99-NEXT:    ret i32 [[TMP5]]
+;
+; ALL70-LABEL: define dso_local noundef i32 @veryHot(
+; ALL70-SAME: ptr noundef readonly [[TMP0:%.*]]) !prof [[PROF17:![0-9]+]] {
+; ALL70-NEXT:    [[CHK:%.*]] = icmp eq ptr [[TMP0]], null
+; ALL70-NEXT:    [[HOT:%.*]] = xor i1 true, true
+; ALL70-NEXT:    [[TMP2:%.*]] = or i1 [[CHK]], [[HOT]]
+; ALL70-NEXT:    br i1 [[TMP2]], label [[TMP3:%.*]], label [[TMP4:%.*]]
+; ALL70:       3:
+; ALL70-NEXT:    tail call void @llvm.ubsantrap(i8 22)
+; ALL70-NEXT:    unreachable
+; ALL70:       4:
+; ALL70-NEXT:    [[TMP5:%.*]] = load i32, ptr [[TMP0]], align 4
+; ALL70-NEXT:    ret i32 [[TMP5]]
 ;
   %chk = icmp eq ptr %0, null
   %allow = call i1 @llvm.allow.ubsan.check(i8 22)
@@ -350,6 +430,44 @@ define dso_local noundef i32 @branchColdFnHot(i32 noundef %0, ptr noundef readon
 ; HOT70:       9:
 ; HOT70-NEXT:    [[TMP10:%.*]] = phi i32 [ [[TMP8]], [[TMP7]] ], [ 0, [[TMP2:%.*]] ]
 ; HOT70-NEXT:    ret i32 [[TMP10]]
+;
+; NONE99-LABEL: define dso_local noundef i32 @branchColdFnHot(
+; NONE99-SAME: i32 noundef [[TMP0:%.*]], ptr noundef readonly [[TMP1:%.*]]) !prof [[PROF17]] {
+; NONE99-NEXT:    [[TMP3:%.*]] = icmp eq i32 [[TMP0]], 0
+; NONE99-NEXT:    br i1 [[TMP3]], label [[TMP9:%.*]], label [[TMP4:%.*]], !prof [[PROF18:![0-9]+]]
+; NONE99:       4:
+; NONE99-NEXT:    [[CHK:%.*]] = icmp eq ptr [[TMP1]], null
+; NONE99-NEXT:    [[HOT:%.*]] = xor i1 false, true
+; NONE99-NEXT:    [[TMP5:%.*]] = or i1 [[CHK]], [[HOT]]
+; NONE99-NEXT:    br i1 [[TMP5]], label [[TMP6:%.*]], label [[TMP7:%.*]]
+; NONE99:       6:
+; NONE99-NEXT:    tail call void @llvm.ubsantrap(i8 22)
+; NONE99-NEXT:    unreachable
+; NONE99:       7:
+; NONE99-NEXT:    [[TMP8:%.*]] = load i32, ptr [[TMP1]], align 4
+; NONE99-NEXT:    br label [[TMP9]]
+; NONE99:       9:
+; NONE99-NEXT:    [[TMP10:%.*]] = phi i32 [ [[TMP8]], [[TMP7]] ], [ 0, [[TMP2:%.*]] ]
+; NONE99-NEXT:    ret i32 [[TMP10]]
+;
+; ALL70-LABEL: define dso_local noundef i32 @branchColdFnHot(
+; ALL70-SAME: i32 noundef [[TMP0:%.*]], ptr noundef readonly [[TMP1:%.*]]) !prof [[PROF17]] {
+; ALL70-NEXT:    [[TMP3:%.*]] = icmp eq i32 [[TMP0]], 0
+; ALL70-NEXT:    br i1 [[TMP3]], label [[TMP9:%.*]], label [[TMP4:%.*]], !prof [[PROF18:![0-9]+]]
+; ALL70:       4:
+; ALL70-NEXT:    [[CHK:%.*]] = icmp eq ptr [[TMP1]], null
+; ALL70-NEXT:    [[HOT:%.*]] = xor i1 true, true
+; ALL70-NEXT:    [[TMP5:%.*]] = or i1 [[CHK]], [[HOT]]
+; ALL70-NEXT:    br i1 [[TMP5]], label [[TMP6:%.*]], label [[TMP7:%.*]]
+; ALL70:       6:
+; ALL70-NEXT:    tail call void @llvm.ubsantrap(i8 22)
+; ALL70-NEXT:    unreachable
+; ALL70:       7:
+; ALL70-NEXT:    [[TMP8:%.*]] = load i32, ptr [[TMP1]], align 4
+; ALL70-NEXT:    br label [[TMP9]]
+; ALL70:       9:
+; ALL70-NEXT:    [[TMP10:%.*]] = phi i32 [ [[TMP8]], [[TMP7]] ], [ 0, [[TMP2:%.*]] ]
+; ALL70-NEXT:    ret i32 [[TMP10]]
 ;
   %3 = icmp eq i32 %0, 0
   br i1 %3, label %9, label %4, !prof !38
@@ -469,6 +587,44 @@ define dso_local noundef i32 @branchHotFnCold(i32 noundef %0, ptr noundef readon
 ; HOT70:       9:
 ; HOT70-NEXT:    [[TMP10:%.*]] = phi i32 [ [[TMP8]], [[TMP7]] ], [ 0, [[TMP2:%.*]] ]
 ; HOT70-NEXT:    ret i32 [[TMP10]]
+;
+; NONE99-LABEL: define dso_local noundef i32 @branchHotFnCold(
+; NONE99-SAME: i32 noundef [[TMP0:%.*]], ptr noundef readonly [[TMP1:%.*]]) !prof [[PROF16]] {
+; NONE99-NEXT:    [[TMP3:%.*]] = icmp eq i32 [[TMP0]], 0
+; NONE99-NEXT:    br i1 [[TMP3]], label [[TMP9:%.*]], label [[TMP4:%.*]], !prof [[PROF19:![0-9]+]]
+; NONE99:       4:
+; NONE99-NEXT:    [[CHK:%.*]] = icmp eq ptr [[TMP1]], null
+; NONE99-NEXT:    [[HOT:%.*]] = xor i1 false, true
+; NONE99-NEXT:    [[TMP5:%.*]] = or i1 [[CHK]], [[HOT]]
+; NONE99-NEXT:    br i1 [[TMP5]], label [[TMP6:%.*]], label [[TMP7:%.*]]
+; NONE99:       6:
+; NONE99-NEXT:    tail call void @llvm.ubsantrap(i8 22)
+; NONE99-NEXT:    unreachable
+; NONE99:       7:
+; NONE99-NEXT:    [[TMP8:%.*]] = load i32, ptr [[TMP1]], align 4
+; NONE99-NEXT:    br label [[TMP9]]
+; NONE99:       9:
+; NONE99-NEXT:    [[TMP10:%.*]] = phi i32 [ [[TMP8]], [[TMP7]] ], [ 0, [[TMP2:%.*]] ]
+; NONE99-NEXT:    ret i32 [[TMP10]]
+;
+; ALL70-LABEL: define dso_local noundef i32 @branchHotFnCold(
+; ALL70-SAME: i32 noundef [[TMP0:%.*]], ptr noundef readonly [[TMP1:%.*]]) !prof [[PROF16]] {
+; ALL70-NEXT:    [[TMP3:%.*]] = icmp eq i32 [[TMP0]], 0
+; ALL70-NEXT:    br i1 [[TMP3]], label [[TMP9:%.*]], label [[TMP4:%.*]], !prof [[PROF19:![0-9]+]]
+; ALL70:       4:
+; ALL70-NEXT:    [[CHK:%.*]] = icmp eq ptr [[TMP1]], null
+; ALL70-NEXT:    [[HOT:%.*]] = xor i1 true, true
+; ALL70-NEXT:    [[TMP5:%.*]] = or i1 [[CHK]], [[HOT]]
+; ALL70-NEXT:    br i1 [[TMP5]], label [[TMP6:%.*]], label [[TMP7:%.*]]
+; ALL70:       6:
+; ALL70-NEXT:    tail call void @llvm.ubsantrap(i8 22)
+; ALL70-NEXT:    unreachable
+; ALL70:       7:
+; ALL70-NEXT:    [[TMP8:%.*]] = load i32, ptr [[TMP1]], align 4
+; ALL70-NEXT:    br label [[TMP9]]
+; ALL70:       9:
+; ALL70-NEXT:    [[TMP10:%.*]] = phi i32 [ [[TMP8]], [[TMP7]] ], [ 0, [[TMP2:%.*]] ]
+; ALL70-NEXT:    ret i32 [[TMP10]]
 ;
   %3 = icmp eq i32 %0, 0
   br i1 %3, label %9, label %4, !prof !37
@@ -543,3 +699,13 @@ define dso_local noundef i32 @branchHotFnCold(i32 noundef %0, ptr noundef readon
 ; HOT70: [[PROF18]] = !{!"branch_weights", i32 1000, i32 1}
 ; HOT70: [[PROF19]] = !{!"branch_weights", i32 1, i32 1000}
 ;.
+; NONE99: [[PROF16]] = !{!"function_entry_count", i64 1000}
+; NONE99: [[PROF17]] = !{!"function_entry_count", i64 7000}
+; NONE99: [[PROF18]] = !{!"branch_weights", i32 1000, i32 1}
+; NONE99: [[PROF19]] = !{!"branch_weights", i32 1, i32 1000}
+;.
+; ALL70: [[PROF16]] = !{!"function_entry_count", i64 1000}
+; ALL70: [[PROF17]] = !{!"function_entry_count", i64 7000}
+; ALL70: [[PROF18]] = !{!"branch_weights", i32 1000, i32 1}
+; ALL70: [[PROF19]] = !{!"branch_weights", i32 1, i32 1000}
+;.

``````````

</details>


https://github.com/llvm/llvm-project/pull/100679


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