[llvm] 2bc22ea - [NFC][SLU] Update SimpleLoopUnswitch/guards.ll (#166285)
via llvm-commits
llvm-commits at lists.llvm.org
Tue Nov 4 11:00:39 PST 2025
Author: Mircea Trofin
Date: 2025-11-04T11:00:35-08:00
New Revision: 2bc22ea02edda5926f3e53f141def9bf212ac1db
URL: https://github.com/llvm/llvm-project/commit/2bc22ea02edda5926f3e53f141def9bf212ac1db
DIFF: https://github.com/llvm/llvm-project/commit/2bc22ea02edda5926f3e53f141def9bf212ac1db.diff
LOG: [NFC][SLU] Update SimpleLoopUnswitch/guards.ll (#166285)
When running UTC on SLU/guards.ll (without LLVM changes), there are a number of changes in the UTC-generated checks. Submitting those first to simplify the diff of PR #164271, as most of the changes in the latter were actually these.
Added:
Modified:
llvm/test/Transforms/SimpleLoopUnswitch/guards.ll
Removed:
################################################################################
diff --git a/llvm/test/Transforms/SimpleLoopUnswitch/guards.ll b/llvm/test/Transforms/SimpleLoopUnswitch/guards.ll
index 533b1f691f5ad..706b49df14749 100644
--- a/llvm/test/Transforms/SimpleLoopUnswitch/guards.ll
+++ b/llvm/test/Transforms/SimpleLoopUnswitch/guards.ll
@@ -1,4 +1,4 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: -p --version 5
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -passes='loop(simple-loop-unswitch<nontrivial>),verify<loops>' -simple-loop-unswitch-guards -S < %s | FileCheck %s
; RUN: opt -passes='simple-loop-unswitch<nontrivial>' -simple-loop-unswitch-guards -S < %s | FileCheck %s
; RUN: opt -passes='loop-mssa(simple-loop-unswitch<nontrivial>),verify<loops>' -simple-loop-unswitch-guards -verify-memoryssa -verify-loop-info -S < %s | FileCheck %s
@@ -6,21 +6,30 @@
declare void @llvm.experimental.guard(i1, ...)
define void @test_simple_case(i1 %cond, i32 %N) {
-; CHECK-LABEL: @test_simple_case(
-; CHECK-NEXT: entry:
-; CHECK-NEXT: br i1 [[COND:%.*]], label [[ENTRY_SPLIT_US:%.*]], label [[ENTRY_SPLIT:%.*]]
-; CHECK: entry.split.us:
-; CHECK-NEXT: br label [[LOOP_US:%.*]]
-; CHECK: loop.us:
-; CHECK-NEXT: [[IV_US:%.*]] = phi i32 [ 0, [[ENTRY_SPLIT_US]] ], [ [[IV_NEXT_US:%.*]], [[GUARDED_US:%.*]] ]
-; CHECK-NEXT: br label [[GUARDED_US]]
-; CHECK: guarded.us:
+; CHECK-LABEL: define void @test_simple_case(
+; CHECK-SAME: i1 [[COND:%.*]], i32 [[N:%.*]]) {
+; CHECK-NEXT: [[ENTRY:.*:]]
+; CHECK-NEXT: br i1 [[COND]], label %[[ENTRY_SPLIT_US:.*]], label %[[ENTRY_SPLIT:.*]]
+; CHECK: [[ENTRY_SPLIT_US]]:
+; CHECK-NEXT: br label %[[LOOP_US:.*]]
+; CHECK: [[LOOP_US]]:
+; CHECK-NEXT: [[IV_US:%.*]] = phi i32 [ 0, %[[ENTRY_SPLIT_US]] ], [ [[IV_NEXT_US:%.*]], %[[GUARDED_US:.*]] ]
+; CHECK-NEXT: br label %[[GUARDED_US]]
+; CHECK: [[GUARDED_US]]:
; CHECK-NEXT: [[IV_NEXT_US]] = add i32 [[IV_US]], 1
-; CHECK-NEXT: [[LOOP_COND_US:%.*]] = icmp slt i32 [[IV_NEXT_US]], [[N:%.*]]
-; CHECK-NEXT: br i1 [[LOOP_COND_US]], label [[LOOP_US]], label [[EXIT_SPLIT_US:%.*]]
-; CHECK: deopt:
+; CHECK-NEXT: [[LOOP_COND_US:%.*]] = icmp slt i32 [[IV_NEXT_US]], [[N]]
+; CHECK-NEXT: br i1 [[LOOP_COND_US]], label %[[LOOP_US]], label %[[EXIT_SPLIT_US:.*]]
+; CHECK: [[EXIT_SPLIT_US]]:
+; CHECK-NEXT: br label %[[EXIT:.*]]
+; CHECK: [[ENTRY_SPLIT]]:
+; CHECK-NEXT: br label %[[LOOP:.*]]
+; CHECK: [[LOOP]]:
+; CHECK-NEXT: br label %[[DEOPT:.*]]
+; CHECK: [[DEOPT]]:
; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 false) [ "deopt"() ]
; CHECK-NEXT: unreachable
+; CHECK: [[EXIT]]:
+; CHECK-NEXT: ret void
;
entry:
@@ -38,29 +47,44 @@ exit:
}
define void @test_two_guards(i1 %cond1, i1 %cond2, i32 %N) {
-; CHECK-LABEL: @test_two_guards(
-; CHECK-NEXT: entry:
-; CHECK-NEXT: br i1 [[COND1:%.*]], label [[ENTRY_SPLIT_US:%.*]], label [[ENTRY_SPLIT:%.*]]
-; CHECK: entry.split.us:
-; CHECK-NEXT: br i1 [[COND2:%.*]], label [[ENTRY_SPLIT_US_SPLIT_US:%.*]], label [[ENTRY_SPLIT_US_SPLIT:%.*]]
-; CHECK: entry.split.us.split.us:
-; CHECK-NEXT: br label [[LOOP_US_US:%.*]]
-; CHECK: loop.us.us:
-; CHECK-NEXT: [[IV_US_US:%.*]] = phi i32 [ 0, [[ENTRY_SPLIT_US_SPLIT_US]] ], [ [[IV_NEXT_US_US:%.*]], [[GUARDED_US2:%.*]] ]
-; CHECK-NEXT: br label [[GUARDED_US_US:%.*]]
-; CHECK: guarded.us.us:
-; CHECK-NEXT: br label [[GUARDED_US2]]
-; CHECK: guarded.us2:
+; CHECK-LABEL: define void @test_two_guards(
+; CHECK-SAME: i1 [[COND1:%.*]], i1 [[COND2:%.*]], i32 [[N:%.*]]) {
+; CHECK-NEXT: [[ENTRY:.*:]]
+; CHECK-NEXT: br i1 [[COND1]], label %[[ENTRY_SPLIT_US:.*]], label %[[ENTRY_SPLIT:.*]]
+; CHECK: [[ENTRY_SPLIT_US]]:
+; CHECK-NEXT: br i1 [[COND2]], label %[[ENTRY_SPLIT_US_SPLIT_US:.*]], label %[[ENTRY_SPLIT_US_SPLIT:.*]]
+; CHECK: [[ENTRY_SPLIT_US_SPLIT_US]]:
+; CHECK-NEXT: br label %[[LOOP_US_US:.*]]
+; CHECK: [[LOOP_US_US]]:
+; CHECK-NEXT: [[IV_US_US:%.*]] = phi i32 [ 0, %[[ENTRY_SPLIT_US_SPLIT_US]] ], [ [[IV_NEXT_US_US:%.*]], %[[GUARDED_US2:.*]] ]
+; CHECK-NEXT: br label %[[GUARDED_US_US:.*]]
+; CHECK: [[GUARDED_US_US]]:
+; CHECK-NEXT: br label %[[GUARDED_US2]]
+; CHECK: [[GUARDED_US2]]:
; CHECK-NEXT: [[IV_NEXT_US_US]] = add i32 [[IV_US_US]], 1
-; CHECK-NEXT: [[LOOP_COND_US_US:%.*]] = icmp slt i32 [[IV_NEXT_US_US]], [[N:%.*]]
-; CHECK-NEXT: br i1 [[LOOP_COND_US_US]], label [[LOOP_US_US]], label [[EXIT_SPLIT_US_SPLIT_US:%.*]]
-; CHECK: deopt1:
+; CHECK-NEXT: [[LOOP_COND_US_US:%.*]] = icmp slt i32 [[IV_NEXT_US_US]], [[N]]
+; CHECK-NEXT: br i1 [[LOOP_COND_US_US]], label %[[LOOP_US_US]], label %[[EXIT_SPLIT_US_SPLIT_US:.*]]
+; CHECK: [[EXIT_SPLIT_US_SPLIT_US]]:
+; CHECK-NEXT: br label %[[EXIT_SPLIT_US:.*]]
+; CHECK: [[ENTRY_SPLIT_US_SPLIT]]:
+; CHECK-NEXT: br label %[[LOOP_US:.*]]
+; CHECK: [[LOOP_US]]:
+; CHECK-NEXT: br label %[[GUARDED_US:.*]]
+; CHECK: [[GUARDED_US]]:
+; CHECK-NEXT: br label %[[DEOPT1:.*]]
+; CHECK: [[DEOPT1]]:
; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 false) [ "deopt"() ]
; CHECK-NEXT: unreachable
-; CHECK: deopt:
+; CHECK: [[EXIT_SPLIT_US]]:
+; CHECK-NEXT: br label %[[EXIT:.*]]
+; CHECK: [[ENTRY_SPLIT]]:
+; CHECK-NEXT: br label %[[LOOP:.*]]
+; CHECK: [[LOOP]]:
+; CHECK-NEXT: br label %[[DEOPT:.*]]
+; CHECK: [[DEOPT]]:
; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 false) [ "deopt"() ]
; CHECK-NEXT: unreachable
-; CHECK: exit:
+; CHECK: [[EXIT]]:
; CHECK-NEXT: ret void
;
@@ -80,35 +104,46 @@ exit:
}
define void @test_conditional_guards(i1 %cond, i32 %N) {
-; CHECK-LABEL: @test_conditional_guards(
-; CHECK-NEXT: entry:
-; CHECK-NEXT: [[FROZEN:%.+]] = freeze i1 [[COND:%.*]]
-; CHECK-NEXT: br i1 [[FROZEN]], label [[ENTRY_SPLIT_US:%.*]], label [[ENTRY_SPLIT:%.*]]
-; CHECK: entry.split.us:
-; CHECK-NEXT: br label [[LOOP_US:%.*]]
-; CHECK: loop.us:
-; CHECK-NEXT: [[IV_US:%.*]] = phi i32 [ 0, [[ENTRY_SPLIT_US]] ], [ [[IV_NEXT_US:%.*]], [[BACKEDGE_US:%.*]] ]
+; CHECK-LABEL: define void @test_conditional_guards(
+; CHECK-SAME: i1 [[COND:%.*]], i32 [[N:%.*]]) {
+; CHECK-NEXT: [[ENTRY:.*:]]
+; CHECK-NEXT: [[COND_FR:%.*]] = freeze i1 [[COND]]
+; CHECK-NEXT: br i1 [[COND_FR]], label %[[ENTRY_SPLIT_US:.*]], label %[[ENTRY_SPLIT:.*]]
+; CHECK: [[ENTRY_SPLIT_US]]:
+; CHECK-NEXT: br label %[[LOOP_US:.*]]
+; CHECK: [[LOOP_US]]:
+; CHECK-NEXT: [[IV_US:%.*]] = phi i32 [ 0, %[[ENTRY_SPLIT_US]] ], [ [[IV_NEXT_US:%.*]], %[[BACKEDGE_US:.*]] ]
; CHECK-NEXT: [[CONDITION_US:%.*]] = icmp eq i32 [[IV_US]], 123
-; CHECK-NEXT: br i1 [[CONDITION_US]], label [[GUARD_US:%.*]], label [[BACKEDGE_US]]
-; CHECK: guard.us:
-; CHECK-NEXT: br label [[GUARDED_US:%.*]]
-; CHECK: backedge.us:
+; CHECK-NEXT: br i1 [[CONDITION_US]], label %[[GUARD_US:.*]], label %[[BACKEDGE_US]]
+; CHECK: [[GUARD_US]]:
+; CHECK-NEXT: br label %[[GUARDED_US:.*]]
+; CHECK: [[BACKEDGE_US]]:
; CHECK-NEXT: [[IV_NEXT_US]] = add i32 [[IV_US]], 1
-; CHECK-NEXT: [[LOOP_COND_US:%.*]] = icmp slt i32 [[IV_NEXT_US]], [[N:%.*]]
-; CHECK-NEXT: br i1 [[LOOP_COND_US]], label [[LOOP_US]], label [[EXIT_SPLIT_US:%.*]]
-; CHECK: loop:
-; CHECK-NEXT: [[IV:%.*]] = phi i32 [ 0, [[ENTRY_SPLIT]] ], [ [[IV_NEXT:%.*]], [[BACKEDGE:%.*]] ]
+; CHECK-NEXT: [[LOOP_COND_US:%.*]] = icmp slt i32 [[IV_NEXT_US]], [[N]]
+; CHECK-NEXT: br i1 [[LOOP_COND_US]], label %[[LOOP_US]], label %[[EXIT_SPLIT_US:.*]]
+; CHECK: [[GUARDED_US]]:
+; CHECK-NEXT: br label %[[BACKEDGE_US]]
+; CHECK: [[EXIT_SPLIT_US]]:
+; CHECK-NEXT: br label %[[EXIT:.*]]
+; CHECK: [[ENTRY_SPLIT]]:
+; CHECK-NEXT: br label %[[LOOP:.*]]
+; CHECK: [[LOOP]]:
+; CHECK-NEXT: [[IV:%.*]] = phi i32 [ 0, %[[ENTRY_SPLIT]] ], [ [[IV_NEXT:%.*]], %[[BACKEDGE:.*]] ]
; CHECK-NEXT: [[CONDITION:%.*]] = icmp eq i32 [[IV]], 123
-; CHECK-NEXT: br i1 [[CONDITION]], label [[GUARD:%.*]], label [[BACKEDGE]]
-; CHECK: guard:
-; CHECK-NEXT: br label [[DEOPT:%.*]]
-; CHECK: deopt:
+; CHECK-NEXT: br i1 [[CONDITION]], label %[[GUARD:.*]], label %[[BACKEDGE]]
+; CHECK: [[GUARD]]:
+; CHECK-NEXT: br label %[[DEOPT:.*]]
+; CHECK: [[DEOPT]]:
; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 false) [ "deopt"() ]
; CHECK-NEXT: unreachable
-; CHECK: backedge:
+; CHECK: [[BACKEDGE]]:
; CHECK-NEXT: [[IV_NEXT]] = add i32 [[IV]], 1
; CHECK-NEXT: [[LOOP_COND:%.*]] = icmp slt i32 [[IV_NEXT]], [[N]]
-; CHECK-NEXT: br i1 [[LOOP_COND]], label %loop, label [[EXIT_SPLIT:%.*]]
+; CHECK-NEXT: br i1 [[LOOP_COND]], label %[[LOOP]], label %[[EXIT_SPLIT:.*]]
+; CHECK: [[EXIT_SPLIT]]:
+; CHECK-NEXT: br label %[[EXIT]]
+; CHECK: [[EXIT]]:
+; CHECK-NEXT: ret void
;
entry:
@@ -133,53 +168,54 @@ exit:
}
define void @test_nested_loop(i1 %cond, i32 %N, i1 %arg) {
-; CHECK-LABEL: define void @test_nested_loop(i1 %cond, i32 %N, i1 %arg) {
-; CHECK-NEXT: entry:
-; CHECK-NEXT: br i1 %cond, label %entry.split, label %outer_loop.split
-; CHECK: entry.split:
-; CHECK-NEXT: br i1 %arg, label %entry.split.split.us, label %entry.split.split
-; CHECK: entry.split.split.us:
-; CHECK-NEXT: br label %outer_loop.us
-; CHECK: outer_loop.us:
-; CHECK-NEXT: br label %outer_loop.split.us.us
-; CHECK: outer_backedge.us:
-; CHECK-NEXT: br label %outer_loop.us
-; CHECK: outer_loop.split.us.us:
-; CHECK-NEXT: br label %loop.us.us
-; CHECK: loop.us.us:
-; CHECK-NEXT: %iv.us.us = phi i32 [ 0, %outer_loop.split.us.us ], [ %iv.next.us.us, %guarded.us.us ]
-; CHECK-NEXT: br label %guarded.us.us
-; CHECK: guarded.us.us:
-; CHECK-NEXT: %iv.next.us.us = add i32 %iv.us.us, 1
-; CHECK-NEXT: %loop.cond.us.us = icmp slt i32 %iv.next.us.us, %N
-; CHECK-NEXT: br i1 %loop.cond.us.us, label %loop.us.us, label %outer_backedge.split.us.us
-; CHECK: outer_backedge.split.us.us:
-; CHECK-NEXT: br label %outer_backedge.us
-; CHECK: entry.split.split:
-; CHECK-NEXT: br label %outer_loop
-; CHECK: outer_loop:
-; CHECK-NEXT: br label %outer_loop.split.us
-; CHECK: outer_loop.split.us:
-; CHECK-NEXT: br label %loop.us
-; CHECK: loop.us:
-; CHECK-NEXT: %iv.us = phi i32 [ 0, %outer_loop.split.us ], [ %iv.next.us, %guarded.us ]
-; CHECK-NEXT: br label %guarded.us
-; CHECK: guarded.us:
-; CHECK-NEXT: %iv.next.us = add i32 %iv.us, 1
-; CHECK-NEXT: %loop.cond.us = icmp slt i32 %iv.next.us, %N
-; CHECK-NEXT: br i1 %loop.cond.us, label %loop.us, label %outer_backedge.split.us
-; CHECK: outer_backedge.split.us:
-; CHECK-NEXT: br label %outer_backedge
-; CHECK: outer_loop.split:
-; CHECK-NEXT: br label %loop
-; CHECK: loop:
-; CHECK-NEXT: br label %deopt
-; CHECK: deopt:
+; CHECK-LABEL: define void @test_nested_loop(
+; CHECK-SAME: i1 [[COND:%.*]], i32 [[N:%.*]], i1 [[ARG:%.*]]) {
+; CHECK-NEXT: [[ENTRY:.*:]]
+; CHECK-NEXT: br i1 [[COND]], label %[[ENTRY_SPLIT:.*]], label %[[OUTER_LOOP_SPLIT:.*]]
+; CHECK: [[ENTRY_SPLIT]]:
+; CHECK-NEXT: br i1 [[ARG]], label %[[ENTRY_SPLIT_SPLIT_US:.*]], label %[[ENTRY_SPLIT_SPLIT:.*]]
+; CHECK: [[ENTRY_SPLIT_SPLIT_US]]:
+; CHECK-NEXT: br label %[[OUTER_LOOP_US:.*]]
+; CHECK: [[OUTER_LOOP_US]]:
+; CHECK-NEXT: br label %[[OUTER_LOOP_SPLIT_US_US:.*]]
+; CHECK: [[OUTER_BACKEDGE_US:.*]]:
+; CHECK-NEXT: br label %[[OUTER_LOOP_US]]
+; CHECK: [[OUTER_LOOP_SPLIT_US_US]]:
+; CHECK-NEXT: br label %[[LOOP_US_US:.*]]
+; CHECK: [[LOOP_US_US]]:
+; CHECK-NEXT: [[IV_US_US:%.*]] = phi i32 [ 0, %[[OUTER_LOOP_SPLIT_US_US]] ], [ [[IV_NEXT_US_US:%.*]], %[[GUARDED_US_US:.*]] ]
+; CHECK-NEXT: br label %[[GUARDED_US_US]]
+; CHECK: [[GUARDED_US_US]]:
+; CHECK-NEXT: [[IV_NEXT_US_US]] = add i32 [[IV_US_US]], 1
+; CHECK-NEXT: [[LOOP_COND_US_US:%.*]] = icmp slt i32 [[IV_NEXT_US_US]], [[N]]
+; CHECK-NEXT: br i1 [[LOOP_COND_US_US]], label %[[LOOP_US_US]], label %[[OUTER_BACKEDGE_SPLIT_US_US:.*]]
+; CHECK: [[OUTER_BACKEDGE_SPLIT_US_US]]:
+; CHECK-NEXT: br label %[[OUTER_BACKEDGE_US]]
+; CHECK: [[ENTRY_SPLIT_SPLIT]]:
+; CHECK-NEXT: br label %[[OUTER_LOOP:.*]]
+; CHECK: [[OUTER_LOOP]]:
+; CHECK-NEXT: br label %[[OUTER_LOOP_SPLIT_US:.*]]
+; CHECK: [[OUTER_LOOP_SPLIT_US]]:
+; CHECK-NEXT: br label %[[LOOP_US:.*]]
+; CHECK: [[LOOP_US]]:
+; CHECK-NEXT: [[IV_US:%.*]] = phi i32 [ 0, %[[OUTER_LOOP_SPLIT_US]] ], [ [[IV_NEXT_US:%.*]], %[[GUARDED_US:.*]] ]
+; CHECK-NEXT: br label %[[GUARDED_US]]
+; CHECK: [[GUARDED_US]]:
+; CHECK-NEXT: [[IV_NEXT_US]] = add i32 [[IV_US]], 1
+; CHECK-NEXT: [[LOOP_COND_US:%.*]] = icmp slt i32 [[IV_NEXT_US]], [[N]]
+; CHECK-NEXT: br i1 [[LOOP_COND_US]], label %[[LOOP_US]], label %[[OUTER_BACKEDGE_SPLIT_US:.*]]
+; CHECK: [[OUTER_BACKEDGE_SPLIT_US]]:
+; CHECK-NEXT: br label %[[OUTER_BACKEDGE:.*]]
+; CHECK: [[OUTER_LOOP_SPLIT]]:
+; CHECK-NEXT: br label %[[LOOP:.*]]
+; CHECK: [[LOOP]]:
+; CHECK-NEXT: br label %[[DEOPT:.*]]
+; CHECK: [[DEOPT]]:
; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 false) [ "deopt"() ]
; CHECK-NEXT: unreachable
-; CHECK: outer_backedge:
-; CHECK-NEXT: br label %exit
-; CHECK: exit:
+; CHECK: [[OUTER_BACKEDGE]]:
+; CHECK-NEXT: br label %[[EXIT:.*]]
+; CHECK: [[EXIT]]:
; CHECK-NEXT: ret void
;
@@ -204,17 +240,50 @@ exit:
}
define void @test_sibling_loops(i1 %cond1, i1 %cond2, i32 %N) {
-; CHECK-LABEL: @test_sibling_loops(
-; CHECK-NEXT: entry:
-; CHECK-NEXT: br i1 [[COND1:%.*]], label [[ENTRY_SPLIT_US:%.*]], label [[ENTRY_SPLIT:%.*]]
-; CHECK: [[IV1_US:%.*]] = phi i32 [ 0, [[ENTRY_SPLIT_US]] ], [ [[IV1_NEXT_US:%.*]], [[GUARDED_US:%.*]] ]
-; CHECK-NEXT: br label [[GUARDED_US]]
-; CHECK: call void (i1, ...) @llvm.experimental.guard(i1 false) [ "deopt"() ]
+; CHECK-LABEL: define void @test_sibling_loops(
+; CHECK-SAME: i1 [[COND1:%.*]], i1 [[COND2:%.*]], i32 [[N:%.*]]) {
+; CHECK-NEXT: [[ENTRY:.*:]]
+; CHECK-NEXT: br i1 [[COND1]], label %[[ENTRY_SPLIT_US:.*]], label %[[ENTRY_SPLIT:.*]]
+; CHECK: [[ENTRY_SPLIT_US]]:
+; CHECK-NEXT: br label %[[LOOP1_US:.*]]
+; CHECK: [[LOOP1_US]]:
+; CHECK-NEXT: [[IV1_US:%.*]] = phi i32 [ 0, %[[ENTRY_SPLIT_US]] ], [ [[IV1_NEXT_US:%.*]], %[[GUARDED_US:.*]] ]
+; CHECK-NEXT: br label %[[GUARDED_US]]
+; CHECK: [[GUARDED_US]]:
+; CHECK-NEXT: [[IV1_NEXT_US]] = add i32 [[IV1_US]], 1
+; CHECK-NEXT: [[LOOP1_COND_US:%.*]] = icmp slt i32 [[IV1_NEXT_US]], [[N]]
+; CHECK-NEXT: br i1 [[LOOP1_COND_US]], label %[[LOOP1_US]], label %[[BETWEEN_SPLIT_US:.*]]
+; CHECK: [[BETWEEN_SPLIT_US]]:
+; CHECK-NEXT: br label %[[BETWEEN:.*]]
+; CHECK: [[ENTRY_SPLIT]]:
+; CHECK-NEXT: br label %[[LOOP1:.*]]
+; CHECK: [[LOOP1]]:
+; CHECK-NEXT: br label %[[DEOPT:.*]]
+; CHECK: [[DEOPT]]:
+; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 false) [ "deopt"() ]
; CHECK-NEXT: unreachable
-; CHECK: [[IV2_US:%.*]] = phi i32 [ 0, [[BETWEEN:%.*]] ], [ [[IV1_NEXT_US2:%.*]], [[GUARDED_US2:%.*]] ]
-; CHECK-NEXT: br label [[GUARDED_US2]]
-; CHECK: call void (i1, ...) @llvm.experimental.guard(i1 false) [ "deopt"() ]
+; CHECK: [[BETWEEN]]:
+; CHECK-NEXT: br i1 [[COND2]], label %[[BETWEEN_SPLIT_US2:.*]], label %[[BETWEEN_SPLIT:.*]]
+; CHECK: [[BETWEEN_SPLIT_US2]]:
+; CHECK-NEXT: br label %[[LOOP2_US:.*]]
+; CHECK: [[LOOP2_US]]:
+; CHECK-NEXT: [[IV2_US:%.*]] = phi i32 [ 0, %[[BETWEEN_SPLIT_US2]] ], [ [[IV2_NEXT_US:%.*]], %[[GUARDED_US3:.*]] ]
+; CHECK-NEXT: br label %[[GUARDED_US3]]
+; CHECK: [[GUARDED_US3]]:
+; CHECK-NEXT: [[IV2_NEXT_US]] = add i32 [[IV2_US]], 1
+; CHECK-NEXT: [[LOOP2_COND_US:%.*]] = icmp slt i32 [[IV2_NEXT_US]], [[N]]
+; CHECK-NEXT: br i1 [[LOOP2_COND_US]], label %[[LOOP2_US]], label %[[EXIT_SPLIT_US:.*]]
+; CHECK: [[EXIT_SPLIT_US]]:
+; CHECK-NEXT: br label %[[EXIT:.*]]
+; CHECK: [[BETWEEN_SPLIT]]:
+; CHECK-NEXT: br label %[[LOOP2:.*]]
+; CHECK: [[LOOP2]]:
+; CHECK-NEXT: br label %[[DEOPT1:.*]]
+; CHECK: [[DEOPT1]]:
+; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 false) [ "deopt"() ]
; CHECK-NEXT: unreachable
+; CHECK: [[EXIT]]:
+; CHECK-NEXT: ret void
;
entry:
@@ -242,11 +311,21 @@ exit:
}
; Check that we don't do anything because of cleanuppad.
-; CHECK-LABEL: @test_cleanuppad(
-; CHECK: call void (i1, ...) @llvm.experimental.guard(i1 %cond) [ "deopt"() ]
-; CHECK-NOT: call void (i1, ...) @llvm.experimental.guard(
define void @test_cleanuppad(i1 %cond, i32 %N) personality ptr @__CxxFrameHandler3 {
-
+; CHECK-LABEL: define void @test_cleanuppad(
+; CHECK-SAME: i1 [[COND:%.*]], i32 [[N:%.*]]) personality ptr @__CxxFrameHandler3 {
+; CHECK-NEXT: [[ENTRY:.*]]:
+; CHECK-NEXT: br label %[[LOOP:.*]]
+; CHECK: [[LOOP]]:
+; CHECK-NEXT: [[IV:%.*]] = phi i32 [ 0, %[[ENTRY]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ]
+; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 [[COND]]) [ "deopt"() ]
+; CHECK-NEXT: [[IV_NEXT]] = add i32 [[IV]], 1
+; CHECK-NEXT: invoke void @may_throw(i32 [[IV]])
+; CHECK-NEXT: to label %[[LOOP]] unwind label %[[EXIT:.*]]
+; CHECK: [[EXIT]]:
+; CHECK-NEXT: [[CP:%.*]] = cleanuppad within none []
+; CHECK-NEXT: cleanupret from [[CP]] unwind to caller
+;
entry:
br label %loop
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