diff options
Diffstat (limited to 'llvm/test/Transforms/SimpleLoopUnswitch')
3 files changed, 254 insertions, 3 deletions
diff --git a/llvm/test/Transforms/SimpleLoopUnswitch/nontrivial-unswitch-profile.ll b/llvm/test/Transforms/SimpleLoopUnswitch/nontrivial-unswitch-profile.ll new file mode 100644 index 0000000..9cc417f --- /dev/null +++ b/llvm/test/Transforms/SimpleLoopUnswitch/nontrivial-unswitch-profile.ll @@ -0,0 +1,89 @@ +; RUN: split-file %s %t +; RUN: cat %t/main.ll %t/probable-or.prof > %t/probable-or.ll +; RUN: cat %t/main.ll %t/probable-and.prof > %t/probable-and.ll +; RUN: opt -passes='loop(simple-loop-unswitch<nontrivial>)' -S %t/probable-or.ll -o -| FileCheck %t/probable-or.prof +; RUN: opt -passes='loop(simple-loop-unswitch<nontrivial>)' -S %t/probable-and.ll -o -| FileCheck %t/probable-and.prof + +;--- main.ll +declare i32 @a() +declare i32 @b() + +define i32 @or(ptr %ptr, i1 %cond) !prof !0 { +entry: + br label %loop_begin + +loop_begin: + %v1 = load i1, ptr %ptr + %cond_or = or i1 %v1, %cond + br i1 %cond_or, label %loop_a, label %loop_b, !prof !1 + +loop_a: + call i32 @a() + br label %latch + +loop_b: + call i32 @b() + br label %latch + +latch: + %v2 = load i1, ptr %ptr + br i1 %v2, label %loop_begin, label %loop_exit, !prof !2 + +loop_exit: + ret i32 0 +} + +define i32 @and(ptr %ptr, i1 %cond) !prof !0 { +entry: + br label %loop_begin + +loop_begin: + %v1 = load i1, ptr %ptr + %cond_and = and i1 %v1, %cond + br i1 %cond_and, label %loop_a, label %loop_b, !prof !1 + +loop_a: + call i32 @a() + br label %latch + +loop_b: + call i32 @b() + br label %latch + +latch: + %v2 = load i1, ptr %ptr + br i1 %v2, label %loop_begin, label %loop_exit, !prof !2 + +loop_exit: + ret i32 0 +} + +;--- probable-or.prof +!0 = !{!"function_entry_count", i32 10} +!1 = !{!"branch_weights", i32 1, i32 1000} +!2 = !{!"branch_weights", i32 5, i32 7} +; CHECK-LABEL: @or +; CHECK-LABEL: entry: +; CHECK-NEXT: %cond.fr = freeze i1 %cond +; CHECK-NEXT: br i1 %cond.fr, label %entry.split.us, label %entry.split, !prof !1 +; CHECK-LABEL: @and +; CHECK-LABEL: entry: +; CHECK-NEXT: %cond.fr = freeze i1 %cond +; CHECK-NEXT: br i1 %cond.fr, label %entry.split, label %entry.split.us, !prof !3 +; CHECK: !1 = !{!"branch_weights", i32 1, i32 1000} +; CHECK: !3 = !{!"unknown", !"simple-loop-unswitch"} + +;--- probable-and.prof +!0 = !{!"function_entry_count", i32 10} +!1 = !{!"branch_weights", i32 1000, i32 1} +!2 = !{!"branch_weights", i32 5, i32 7} +; CHECK-LABEL: @or +; CHECK-LABEL: entry: +; CHECK-NEXT: %cond.fr = freeze i1 %cond +; CHECK-NEXT: br i1 %cond.fr, label %entry.split.us, label %entry.split, !prof !1 +; CHECK-LABEL: @and +; CHECK-LABEL: entry: +; CHECK-NEXT: %cond.fr = freeze i1 %cond +; CHECK-NEXT: br i1 %cond.fr, label %entry.split, label %entry.split.us, !prof !3 +; CHECK: !1 = !{!"unknown", !"simple-loop-unswitch"} +; CHECK: !3 = !{!"branch_weights", i32 1000, i32 1} diff --git a/llvm/test/Transforms/SimpleLoopUnswitch/pr60736.ll b/llvm/test/Transforms/SimpleLoopUnswitch/pr60736.ll index 0964c55..3760be4 100644 --- a/llvm/test/Transforms/SimpleLoopUnswitch/pr60736.ll +++ b/llvm/test/Transforms/SimpleLoopUnswitch/pr60736.ll @@ -1,4 +1,4 @@ -; NOTE: Assertions have been autogenerated by utils/update_test_checks.py +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals ; RUN: opt < %s -simple-loop-unswitch-inject-invariant-conditions=true -passes='loop(simple-loop-unswitch<nontrivial>,loop-instsimplify)' -S | FileCheck %s define void @test() { @@ -7,7 +7,7 @@ define void @test() { ; CHECK-NEXT: [[TMP:%.*]] = call i1 @llvm.experimental.widenable.condition() ; CHECK-NEXT: [[TMP1:%.*]] = load atomic i32, ptr addrspace(1) poison unordered, align 8 ; CHECK-NEXT: [[TMP2:%.*]] = load atomic i32, ptr addrspace(1) poison unordered, align 8 -; CHECK-NEXT: br i1 [[TMP]], label [[BB_SPLIT:%.*]], label [[BB3_SPLIT_US:%.*]] +; CHECK-NEXT: br i1 [[TMP]], label [[BB_SPLIT:%.*]], label [[BB3_SPLIT_US:%.*]], !prof [[PROF0:![0-9]+]] ; CHECK: bb.split: ; CHECK-NEXT: br label [[BB3:%.*]] ; CHECK: bb3: @@ -19,7 +19,7 @@ define void @test() { ; CHECK-NEXT: [[TMP6_US:%.*]] = phi i32 [ poison, [[BB3_SPLIT_US]] ] ; CHECK-NEXT: [[TMP7_US:%.*]] = add nuw nsw i32 [[TMP6_US]], 2 ; CHECK-NEXT: [[TMP8_US:%.*]] = icmp ult i32 [[TMP7_US]], [[TMP2]] -; CHECK-NEXT: br i1 [[TMP8_US]], label [[BB9_US:%.*]], label [[BB16_SPLIT_US:%.*]], !prof [[PROF0:![0-9]+]] +; CHECK-NEXT: br i1 [[TMP8_US]], label [[BB9_US:%.*]], label [[BB16_SPLIT_US:%.*]], !prof [[PROF0]] ; CHECK: bb9.us: ; CHECK-NEXT: br label [[BB17_SPLIT_US:%.*]] ; CHECK: bb16.split.us: @@ -96,3 +96,8 @@ declare i1 @llvm.experimental.widenable.condition() !0 = !{!"branch_weights", i32 1048576, i32 1} +;. +; CHECK: attributes #[[ATTR0:[0-9]+]] = { nocallback nofree nosync nounwind speculatable willreturn memory(inaccessiblemem: readwrite) } +;. +; CHECK: [[PROF0]] = !{!"branch_weights", i32 1048576, i32 1} +;. diff --git a/llvm/test/Transforms/SimpleLoopUnswitch/simple-unswitch-profile.ll b/llvm/test/Transforms/SimpleLoopUnswitch/simple-unswitch-profile.ll new file mode 100644 index 0000000..ec6baa5 --- /dev/null +++ b/llvm/test/Transforms/SimpleLoopUnswitch/simple-unswitch-profile.ll @@ -0,0 +1,157 @@ +; RUN: split-file %s %t +; RUN: cat %t/main.ll %t/probable-or.prof > %t/probable-or.ll +; RUN: cat %t/main.ll %t/probable-and.prof > %t/probable-and.ll +; RUN: opt -passes='loop-mssa(simple-loop-unswitch)' -S %t/probable-or.ll -o - | FileCheck %t/probable-or.prof +; RUN: opt -passes='loop-mssa(simple-loop-unswitch)' -S %t/probable-and.ll -o - | FileCheck %t/probable-and.prof +; +; RUN: opt -passes='module(print<block-freq>),function(loop-mssa(simple-loop-unswitch)),module(print<block-freq>)' \ +; RUN: %t/probable-or.ll -disable-output -simple-loop-unswitch-estimate-profile=0 2>&1 | FileCheck %t/probable-or.prof --check-prefixes=PROFILE-COM,PROFILE-REF + +; RUN: opt -passes='module(print<block-freq>),function(loop-mssa(simple-loop-unswitch)),module(print<block-freq>)' \ +; RUN: %t/probable-or.ll -disable-output -simple-loop-unswitch-estimate-profile=1 2>&1 | FileCheck %t/probable-or.prof --check-prefixes=PROFILE-COM,PROFILE-CHK + +; RUN: opt -passes='module(print<block-freq>),function(loop-mssa(simple-loop-unswitch)),module(print<block-freq>)' \ +; RUN: %t/probable-and.ll -disable-output -simple-loop-unswitch-estimate-profile=0 2>&1 | FileCheck %t/probable-and.prof --check-prefixes=PROFILE-COM,PROFILE-REF + +; RUN: opt -passes='module(print<block-freq>),function(loop-mssa(simple-loop-unswitch)),module(print<block-freq>)' \ +; RUN: %t/probable-and.ll -disable-output -simple-loop-unswitch-estimate-profile=1 2>&1 | FileCheck %t/probable-and.prof --check-prefixes=PROFILE-COM,PROFILE-CHK + +;--- main.ll +declare void @some_func() noreturn + +define i32 @or(i1 %cond1, i32 %var1) !prof !0 { +entry: + br label %loop_begin + +loop_begin: + %var3 = phi i32 [%var1, %entry], [%var2, %do_something] + %cond2 = icmp eq i32 %var3, 10 + %cond.or = or i1 %cond1, %cond2 + br i1 %cond.or, label %loop_exit, label %do_something, !prof !1 + +do_something: + %var2 = add i32 %var3, 1 + call void @some_func() noreturn nounwind + br label %loop_begin + +loop_exit: + ret i32 0 +} + +define i32 @and(i1 %cond1, i32 %var1) !prof !0 { +entry: + br label %loop_begin + +loop_begin: + %var3 = phi i32 [%var1, %entry], [%var2, %do_something] + %cond2 = icmp eq i32 %var3, 10 + %cond.and = and i1 %cond1, %cond2 + br i1 %cond.and, label %do_something, label %loop_exit, !prof !1 + +do_something: + %var2 = add i32 %var3, 1 + call void @some_func() noreturn nounwind + br label %loop_begin + +loop_exit: + ret i32 0 +} + +;--- probable-or.prof +!0 = !{!"function_entry_count", i32 10} +!1 = !{!"branch_weights", i32 1, i32 1000} +; CHECK-LABEL: @or +; CHECK-LABEL: entry: +; CHECK-NEXT: %cond1.fr = freeze i1 %cond1 +; CHECK-NEXT: br i1 %cond1.fr, label %loop_exit.split, label %entry.split, !prof !1 +; CHECK-LABEL: @and +; CHECK-LABEL: entry: +; CHECK-NEXT: %cond1.fr = freeze i1 %cond1 +; CHECK-NEXT: br i1 %cond1.fr, label %entry.split, label %loop_exit.split, !prof !2 +; CHECK: !1 = !{!"branch_weights", i32 1, i32 1000} +; CHECK: !2 = !{!"unknown", !"simple-loop-unswitch"} + +; PROFILE-COM: Printing analysis results of BFI for function 'or': +; PROFILE-COM: block-frequency-info: or + ; PROFILE-COM: - entry: {{.*}} count = 10 + ; PROFILE-COM: - loop_begin: {{.*}} count = 10010 + ; PROFILE-COM: - do_something: {{.*}} count = 10000 + ; PROFILE-COM: - loop_exit: {{.*}} count = 10 + +; PROFILE-COM: Printing analysis results of BFI for function 'and': +; PROFILE-COM: block-frequency-info: and + ; PROFILE-COM: - entry: {{.*}} count = 10 + ; PROFILE-COM: - loop_begin: {{.*}} count = 10 + ; PROFILE-COM: - do_something: {{.*}} count = 0 + ; PROFILE-COM: - loop_exit: {{.*}} count = 10 + +; PROFILE-COM: Printing analysis results of BFI for function 'or': +; PROFILE-COM: block-frequency-info: or + ; PROFILE-COM: - entry: {{.*}} count = 10 + ; PROFILE-REF: - entry.split: {{.*}} count = 5 + ; PROFILE-CHK: - entry.split: {{.*}} count = 10 + ; PROFILE-REF: - loop_begin: {{.*}} count = 5005 + ; PROFILE-CHK: - loop_begin: {{.*}} count = 10000 + ; PROFILE-REF: - do_something: {{.*}} count = 5000 + ; PROFILE-CHK: - do_something: {{.*}} count = 9990 + ; PROFILE-REF: - loop_exit: {{.*}} count = 5 + ; PROFILE-CHK: - loop_exit: {{.*}} count = 10 + ; PROFILE-COM: - loop_exit.split: {{.*}} count = 10 + +; PROFILE-COM: Printing analysis results of BFI for function 'and': +; PROFILE-COM: block-frequency-info: and + ; PROFILE-COM: - entry: {{.*}} count = 10 + ; PROFILE-COM: - entry.split: {{.*}} count = 5 + ; PROFILE-COM: - loop_begin: {{.*}} count = 5 + ; PROFILE-COM: - do_something: {{.*}} count = 0 + ; PROFILE-COM: - loop_exit: {{.*}} count = 5 + ; PROFILE-COM: - loop_exit.split: {{.*}} count = 10 + +;--- probable-and.prof +!0 = !{!"function_entry_count", i32 10} +!1 = !{!"branch_weights", i32 1000, i32 1} +; CHECK-LABEL: @or +; CHECK-LABEL: entry: +; CHECK-NEXT: %cond1.fr = freeze i1 %cond1 +; CHECK-NEXT: br i1 %cond1.fr, label %loop_exit.split, label %entry.split, !prof !1 +; CHECK-LABEL: @and +; CHECK-LABEL: entry: +; CHECK-NEXT: %cond1.fr = freeze i1 %cond1 +; CHECK-NEXT: br i1 %cond1.fr, label %entry.split, label %loop_exit.split, !prof !2 +; CHECK: !1 = !{!"unknown", !"simple-loop-unswitch"} +; CHECK: !2 = !{!"branch_weights", i32 1000, i32 1} +; PROFILE-COM: Printing analysis results of BFI for function 'or': +; PROFILE-COM: block-frequency-info: or + ; PROFILE-COM: - entry: {{.*}}, count = 10 + ; PROFILE-COM: - loop_begin: {{.*}}, count = 10 + ; PROFILE-COM: - do_something: {{.*}}, count = 0 + ; PROFILE-COM: - loop_exit: {{.*}}, count = 10 + +; PROFILE-COM: Printing analysis results of BFI for function 'and': +; PROFILE-COM: block-frequency-info: and + ; PROFILE-COM: - entry: {{.*}} count = 10 + ; PROFILE-COM: - loop_begin: {{.*}} count = 10010 + ; PROFILE-COM: - do_something: {{.*}} count = 10000 + ; PROFILE-COM: - loop_exit: {{.*}} count = 10 + +; PROFILE-COM: Printing analysis results of BFI for function 'or': +; PROFILE-COM: block-frequency-info: or + ; PROFILE-COM: - entry: {{.*}} count = 10 + ; PROFILE-COM: - entry.split: {{.*}} count = 5 + ; PROFILE-COM: - loop_begin: {{.*}} count = 5 + ; PROFILE-COM: - do_something: {{.*}} count = 0 + ; PROFILE-COM: - loop_exit: {{.*}} count = 5 + ; PROFILE-COM: - loop_exit.split: {{.*}} count = 10 + +; PROFILE-COM: Printing analysis results of BFI for function 'and': +; PROFILE-COM: block-frequency-info: and + ; PROFILE-COM: - entry: {{.*}} count = 10 + ; PROFILE-REF: - entry.split: {{.*}} count = 5 + ; PROFILE-CHK: - entry.split: {{.*}} count = 10 + ; PROFILE-REF: - loop_begin: {{.*}} count = 5005 + ; PROFILE-CHK: - loop_begin: {{.*}} count = 10000 + ; PROFILE-REF: - do_something: {{.*}} count = 5000 + ; PROFILE-CHK: - do_something: {{.*}} count = 9990 + ; PROFILE-REF: - loop_exit: {{.*}} count = 5 + ; PROFILE-CHK: - loop_exit: {{.*}} count = 10 + ; PROFILE-COM: - loop_exit.split: {{.*}} count = 10 |