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Diffstat (limited to 'llvm/test/Transforms/SimpleLoopUnswitch/guards.ll')
-rw-r--r-- | llvm/test/Transforms/SimpleLoopUnswitch/guards.ll | 239 |
1 files changed, 0 insertions, 239 deletions
diff --git a/llvm/test/Transforms/SimpleLoopUnswitch/guards.ll b/llvm/test/Transforms/SimpleLoopUnswitch/guards.ll deleted file mode 100644 index f1b92524332..00000000000 --- a/llvm/test/Transforms/SimpleLoopUnswitch/guards.ll +++ /dev/null @@ -1,239 +0,0 @@ -; RUN: opt -passes='loop(unswitch),verify<loops>' -enable-nontrivial-unswitch -simple-loop-unswitch-guards -S < %s | FileCheck %s -; RUN: opt -simple-loop-unswitch -enable-nontrivial-unswitch -simple-loop-unswitch-guards -S < %s | FileCheck %s -; RUN: opt -passes='loop(unswitch),verify<loops>' -enable-nontrivial-unswitch -simple-loop-unswitch-guards -enable-mssa-loop-dependency=true -verify-memoryssa -S < %s | FileCheck %s - -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-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: call void (i1, ...) @llvm.experimental.guard(i1 false) [ "deopt"() ] -; CHECK-NEXT: unreachable -; - -entry: - br label %loop - -loop: - %iv = phi i32 [ 0, %entry ], [ %iv.next, %loop ] - call void (i1, ...) @llvm.experimental.guard(i1 %cond) [ "deopt"() ] - %iv.next = add i32 %iv, 1 - %loop.cond = icmp slt i32 %iv.next, %N - br i1 %loop.cond, label %loop, label %exit - -exit: - ret void -} - -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-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: call void (i1, ...) @llvm.experimental.guard(i1 false) [ "deopt"() ] -; CHECK-NEXT: unreachable -; CHECK: deopt: -; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 false) [ "deopt"() ] -; CHECK-NEXT: unreachable -; CHECK: exit: -; CHECK-NEXT: ret void -; - -entry: - br label %loop - -loop: - %iv = phi i32 [ 0, %entry ], [ %iv.next, %loop ] - call void (i1, ...) @llvm.experimental.guard(i1 %cond1) [ "deopt"() ] - call void (i1, ...) @llvm.experimental.guard(i1 %cond2) [ "deopt"() ] - %iv.next = add i32 %iv, 1 - %loop.cond = icmp slt i32 %iv.next, %N - br i1 %loop.cond, label %loop, label %exit - -exit: - ret void -} - -define void @test_conditional_guards(i1 %cond, i32 %N) { -; CHECK-LABEL: @test_conditional_guards( -; 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:%.*]], [[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: [[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: [[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: call void (i1, ...) @llvm.experimental.guard(i1 false) [ "deopt"() ] -; CHECK-NEXT: unreachable -; 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:%.*]] -; - -entry: - br label %loop - -loop: - %iv = phi i32 [ 0, %entry ], [ %iv.next, %backedge ] - %condition = icmp eq i32 %iv, 123 - br i1 %condition, label %guard, label %backedge - -guard: - call void (i1, ...) @llvm.experimental.guard(i1 %cond) [ "deopt"() ] - br label %backedge - -backedge: - %iv.next = add i32 %iv, 1 - %loop.cond = icmp slt i32 %iv.next, %N - br i1 %loop.cond, label %loop, label %exit - -exit: - ret void -} - -define void @test_nested_loop(i1 %cond, i32 %N) { -; CHECK-LABEL: @test_nested_loop( -; CHECK-NEXT: entry: -; CHECK-NEXT: br i1 [[COND:%.*]], label [[ENTRY_SPLIT:%.*]], label [[OUTER_LOOP_SPLIT:%.*]] -; CHECK: entry.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: deopt: -; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 false) [ "deopt"() ] -; CHECK-NEXT: unreachable -; CHECK: outer_backedge: -; CHECK-NEXT: br i1 false, label [[OUTER_LOOP]], label [[EXIT:%.*]] -; - -entry: - br label %outer_loop - -outer_loop: - br label %loop - -loop: - %iv = phi i32 [ 0, %outer_loop ], [ %iv.next, %loop ] - call void (i1, ...) @llvm.experimental.guard(i1 %cond) [ "deopt"() ] - %iv.next = add i32 %iv, 1 - %loop.cond = icmp slt i32 %iv.next, %N - br i1 %loop.cond, label %loop, label %outer_backedge - -outer_backedge: - br i1 undef, label %outer_loop, label %exit - -exit: - ret void -} - -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-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-NEXT: unreachable -; - -entry: - br label %loop1 - -loop1: - %iv1 = phi i32 [ 0, %entry ], [ %iv1.next, %loop1 ] - call void (i1, ...) @llvm.experimental.guard(i1 %cond1) [ "deopt"() ] - %iv1.next = add i32 %iv1, 1 - %loop1.cond = icmp slt i32 %iv1.next, %N - br i1 %loop1.cond, label %loop1, label %between - -between: - br label %loop2 - -loop2: - %iv2 = phi i32 [ 0, %between ], [ %iv2.next, %loop2 ] - call void (i1, ...) @llvm.experimental.guard(i1 %cond2) [ "deopt"() ] - %iv2.next = add i32 %iv2, 1 - %loop2.cond = icmp slt i32 %iv2.next, %N - br i1 %loop2.cond, label %loop2, label %exit - -exit: - ret void -} - -; 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 i32 (...)* @__CxxFrameHandler3 { - -entry: - br label %loop - -loop: - %iv = phi i32 [ 0, %entry ], [ %iv.next, %loop ] - call void (i1, ...) @llvm.experimental.guard(i1 %cond) [ "deopt"() ] - %iv.next = add i32 %iv, 1 - invoke void @may_throw(i32 %iv) to label %loop unwind label %exit - -exit: - %cp = cleanuppad within none [] - cleanupret from %cp unwind to caller - -} - -declare void @may_throw(i32 %i) -declare i32 @__CxxFrameHandler3(...) |