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author | Ruobing Han <hanruobing@gatech.edu> | 2022-08-05 20:17:26 +0000 |
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committer | Ruobing Han <hanruobing@gatech.edu> | 2022-08-05 20:17:26 +0000 |
commit | b5244fb71caedc65900f54f83f0acc786a0464ae (patch) | |
tree | e17593385417df41a94966ece6db09b62d2ea4bc | |
parent | 29ff262761aff2e45cfa11659f677de83a830017 (diff) |
[test][SimpleLoopUnswitch] Precommit test for D129599
-rw-r--r-- | llvm/test/Transforms/SimpleLoopUnswitch/PGO-nontrivial-unswitch.ll | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/llvm/test/Transforms/SimpleLoopUnswitch/PGO-nontrivial-unswitch.ll b/llvm/test/Transforms/SimpleLoopUnswitch/PGO-nontrivial-unswitch.ll new file mode 100644 index 000000000000..9c8fe12d0646 --- /dev/null +++ b/llvm/test/Transforms/SimpleLoopUnswitch/PGO-nontrivial-unswitch.ll @@ -0,0 +1,142 @@ +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py + +; RUN: opt < %s -passes='require<profile-summary>,function(loop-mssa(simple-loop-unswitch<nontrivial>))' -S | FileCheck %s +; This test checks for a crash. +; RUN: opt < %s -passes=simple-loop-unswitch -aa-pipeline= -disable-output + +declare i32 @a() +declare i32 @b() + +define void @f1(i32 %i, i1 %cond, i1 %hot_cond, i1 %cold_cond, i1* %ptr) !prof !0 { +; CHECK-LABEL: @f1( +; CHECK-NEXT: entry: +; CHECK-NEXT: br label [[ENTRY_HOT_LOOP:%.*]] +; CHECK: entry_hot_loop: +; CHECK-NEXT: br i1 [[HOT_COND:%.*]], label [[HOT_LOOP_BEGIN_PREHEADER:%.*]], label [[HOT_LOOP_EXIT:%.*]], !prof [[PROF15:![0-9]+]] +; CHECK: hot_loop_begin.preheader: +; CHECK-NEXT: br i1 [[COND:%.*]], label [[HOT_LOOP_BEGIN_PREHEADER_SPLIT_US:%.*]], label [[HOT_LOOP_BEGIN_PREHEADER_SPLIT:%.*]] +; CHECK: hot_loop_begin.preheader.split.us: +; CHECK-NEXT: br label [[HOT_LOOP_BEGIN_US:%.*]] +; CHECK: hot_loop_begin.us: +; CHECK-NEXT: br label [[HOT_LOOP_A_US:%.*]] +; CHECK: hot_loop_a.us: +; CHECK-NEXT: [[TMP0:%.*]] = call i32 @a() +; CHECK-NEXT: br label [[HOT_LOOP_LATCH_US:%.*]] +; CHECK: hot_loop_latch.us: +; CHECK-NEXT: [[V1_US:%.*]] = load i1, i1* [[PTR:%.*]], align 1 +; CHECK-NEXT: br i1 [[V1_US]], label [[HOT_LOOP_BEGIN_US]], label [[HOT_LOOP_EXIT_LOOPEXIT_SPLIT_US:%.*]] +; CHECK: hot_loop_exit.loopexit.split.us: +; CHECK-NEXT: br label [[HOT_LOOP_EXIT_LOOPEXIT:%.*]] +; CHECK: hot_loop_begin.preheader.split: +; CHECK-NEXT: br label [[HOT_LOOP_BEGIN:%.*]] +; CHECK: hot_loop_begin: +; CHECK-NEXT: br label [[HOT_LOOP_B:%.*]] +; CHECK: hot_loop_b: +; CHECK-NEXT: [[TMP1:%.*]] = call i32 @b() +; CHECK-NEXT: br label [[HOT_LOOP_LATCH:%.*]] +; CHECK: hot_loop_latch: +; CHECK-NEXT: [[V1:%.*]] = load i1, i1* [[PTR]], align 1 +; CHECK-NEXT: br i1 [[V1]], label [[HOT_LOOP_BEGIN]], label [[HOT_LOOP_EXIT_LOOPEXIT_SPLIT:%.*]] +; CHECK: hot_loop_exit.loopexit.split: +; CHECK-NEXT: br label [[HOT_LOOP_EXIT_LOOPEXIT]] +; CHECK: hot_loop_exit.loopexit: +; CHECK-NEXT: br label [[HOT_LOOP_EXIT]] +; CHECK: hot_loop_exit: +; CHECK-NEXT: br label [[ENTRY_COLD_LOOP:%.*]] +; CHECK: entry_cold_loop: +; CHECK-NEXT: br i1 [[COLD_COND:%.*]], label [[COLD_LOOP_BEGIN_PREHEADER:%.*]], label [[COLD_LOOP_EXIT:%.*]], !prof [[PROF16:![0-9]+]] +; CHECK: cold_loop_begin.preheader: +; CHECK-NEXT: br i1 [[COND]], label [[COLD_LOOP_BEGIN_PREHEADER_SPLIT_US:%.*]], label [[COLD_LOOP_BEGIN_PREHEADER_SPLIT:%.*]] +; CHECK: cold_loop_begin.preheader.split.us: +; CHECK-NEXT: br label [[COLD_LOOP_BEGIN_US:%.*]] +; CHECK: cold_loop_begin.us: +; CHECK-NEXT: br label [[COLD_LOOP_A_US:%.*]] +; CHECK: cold_loop_a.us: +; CHECK-NEXT: [[TMP2:%.*]] = call i32 @a() +; CHECK-NEXT: br label [[COLD_LOOP_LATCH_US:%.*]] +; CHECK: cold_loop_latch.us: +; CHECK-NEXT: [[V2_US:%.*]] = load i1, i1* [[PTR]], align 1 +; CHECK-NEXT: br i1 [[V2_US]], label [[COLD_LOOP_BEGIN_US]], label [[COLD_LOOP_EXIT_LOOPEXIT_SPLIT_US:%.*]] +; CHECK: cold_loop_exit.loopexit.split.us: +; CHECK-NEXT: br label [[COLD_LOOP_EXIT_LOOPEXIT:%.*]] +; CHECK: cold_loop_begin.preheader.split: +; CHECK-NEXT: br label [[COLD_LOOP_BEGIN:%.*]] +; CHECK: cold_loop_begin: +; CHECK-NEXT: br label [[COLD_LOOP_B:%.*]] +; CHECK: cold_loop_b: +; CHECK-NEXT: [[TMP3:%.*]] = call i32 @b() +; CHECK-NEXT: br label [[COLD_LOOP_LATCH:%.*]] +; CHECK: cold_loop_latch: +; CHECK-NEXT: [[V2:%.*]] = load i1, i1* [[PTR]], align 1 +; CHECK-NEXT: br i1 [[V2]], label [[COLD_LOOP_BEGIN]], label [[COLD_LOOP_EXIT_LOOPEXIT_SPLIT:%.*]] +; CHECK: cold_loop_exit.loopexit.split: +; CHECK-NEXT: br label [[COLD_LOOP_EXIT_LOOPEXIT]] +; CHECK: cold_loop_exit.loopexit: +; CHECK-NEXT: br label [[COLD_LOOP_EXIT]] +; CHECK: cold_loop_exit: +; CHECK-NEXT: ret void +; +entry: + br label %entry_hot_loop + +entry_hot_loop: + br i1 %hot_cond, label %hot_loop_begin, label %hot_loop_exit, !prof !15 + +hot_loop_begin: + br i1 %cond, label %hot_loop_a, label %hot_loop_b + +hot_loop_a: + call i32 @a() + br label %hot_loop_latch + +hot_loop_b: + call i32 @b() + br label %hot_loop_latch + +hot_loop_latch: + %v1 = load i1, i1* %ptr + br i1 %v1, label %hot_loop_begin, label %hot_loop_exit + +hot_loop_exit: + br label %entry_cold_loop + +entry_cold_loop: + br i1 %cold_cond, label %cold_loop_begin, label %cold_loop_exit, !prof !16 + +cold_loop_begin: + br i1 %cond, label %cold_loop_a, label %cold_loop_b + +cold_loop_a: + call i32 @a() + br label %cold_loop_latch + +cold_loop_b: + call i32 @b() + br label %cold_loop_latch + +cold_loop_latch: + %v2 = load i1, i1* %ptr + br i1 %v2, label %cold_loop_begin, label %cold_loop_exit + +cold_loop_exit: + ret void +} + +!llvm.module.flags = !{!1} +!0 = !{!"function_entry_count", i64 400} +!1 = !{i32 1, !"ProfileSummary", !2} +!2 = !{!3, !4, !5, !6, !7, !8, !9, !10} +!3 = !{!"ProfileFormat", !"InstrProf"} +!4 = !{!"TotalCount", i64 10000} +!5 = !{!"MaxCount", i64 10} +!6 = !{!"MaxInternalCount", i64 1} +!7 = !{!"MaxFunctionCount", i64 1000} +!8 = !{!"NumCounts", i64 3} +!9 = !{!"NumFunctions", i64 3} +!10 = !{!"DetailedSummary", !11} +!11 = !{!12, !13, !14} +!12 = !{i32 10000, i64 100, i32 1} +!13 = !{i32 999000, i64 100, i32 1} +!14 = !{i32 999999, i64 1, i32 2} +!15 = !{!"branch_weights", i32 100, i32 0} +!16 = !{!"branch_weights", i32 0, i32 100} |