| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --include-generated-funcs |
| ; RUN: opt -S -verify -iroutliner -ir-outlining-no-cost < %s | FileCheck %s |
| |
| ; Show that we do not outline when all of the phi nodes in the end |
| ; block are not included in the region. |
| |
| define void @function1(i32* %a, i32* %b) { |
| entry: |
| %0 = alloca i32, align 4 |
| %c = load i32, i32* %0, align 4 |
| %z = add i32 %c, %c |
| br i1 true, label %test1, label %first |
| test1: |
| %e = load i32, i32* %0, align 4 |
| %1 = add i32 %c, %c |
| br i1 true, label %first, label %test |
| test: |
| %d = load i32, i32* %0, align 4 |
| br i1 true, label %first, label %next |
| first: |
| %2 = phi i32 [ %d, %test ], [ %e, %test1 ], [ %c, %entry ] |
| %3 = phi i32 [ %d, %test ], [ %e, %test1 ], [ %c, %entry ] |
| ret void |
| next: |
| ret void |
| } |
| |
| define void @function2(i32* %a, i32* %b) { |
| entry: |
| %0 = alloca i32, align 4 |
| %c = load i32, i32* %0, align 4 |
| %z = mul i32 %c, %c |
| br i1 true, label %test1, label %first |
| test1: |
| %e = load i32, i32* %0, align 4 |
| %1 = add i32 %c, %c |
| br i1 true, label %first, label %test |
| test: |
| %d = load i32, i32* %0, align 4 |
| br i1 true, label %first, label %next |
| first: |
| %2 = phi i32 [ %d, %test ], [ %e, %test1 ], [ %c, %entry ] |
| %3 = phi i32 [ %d, %test ], [ %c, %entry ], [ %e, %test1 ] |
| ret void |
| next: |
| ret void |
| } |
| ; CHECK-LABEL: @function1( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[TMP0:%.*]] = alloca i32, align 4 |
| ; CHECK-NEXT: [[C:%.*]] = load i32, i32* [[TMP0]], align 4 |
| ; CHECK-NEXT: [[Z:%.*]] = add i32 [[C]], [[C]] |
| ; CHECK-NEXT: br i1 true, label [[TEST1:%.*]], label [[FIRST:%.*]] |
| ; CHECK: test1: |
| ; CHECK-NEXT: [[E:%.*]] = load i32, i32* [[TMP0]], align 4 |
| ; CHECK-NEXT: [[TMP1:%.*]] = add i32 [[C]], [[C]] |
| ; CHECK-NEXT: br i1 true, label [[FIRST]], label [[TEST:%.*]] |
| ; CHECK: test: |
| ; CHECK-NEXT: [[D:%.*]] = load i32, i32* [[TMP0]], align 4 |
| ; CHECK-NEXT: br i1 true, label [[FIRST]], label [[NEXT:%.*]] |
| ; CHECK: first: |
| ; CHECK-NEXT: [[TMP2:%.*]] = phi i32 [ [[D]], [[TEST]] ], [ [[E]], [[TEST1]] ], [ [[C]], [[ENTRY:%.*]] ] |
| ; CHECK-NEXT: [[TMP3:%.*]] = phi i32 [ [[D]], [[TEST]] ], [ [[E]], [[TEST1]] ], [ [[C]], [[ENTRY]] ] |
| ; CHECK-NEXT: ret void |
| ; CHECK: next: |
| ; CHECK-NEXT: ret void |
| ; |
| ; |
| ; CHECK-LABEL: @function2( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[TMP0:%.*]] = alloca i32, align 4 |
| ; CHECK-NEXT: [[C:%.*]] = load i32, i32* [[TMP0]], align 4 |
| ; CHECK-NEXT: [[Z:%.*]] = mul i32 [[C]], [[C]] |
| ; CHECK-NEXT: br i1 true, label [[TEST1:%.*]], label [[FIRST:%.*]] |
| ; CHECK: test1: |
| ; CHECK-NEXT: [[E:%.*]] = load i32, i32* [[TMP0]], align 4 |
| ; CHECK-NEXT: [[TMP1:%.*]] = add i32 [[C]], [[C]] |
| ; CHECK-NEXT: br i1 true, label [[FIRST]], label [[TEST:%.*]] |
| ; CHECK: test: |
| ; CHECK-NEXT: [[D:%.*]] = load i32, i32* [[TMP0]], align 4 |
| ; CHECK-NEXT: br i1 true, label [[FIRST]], label [[NEXT:%.*]] |
| ; CHECK: first: |
| ; CHECK-NEXT: [[TMP2:%.*]] = phi i32 [ [[D]], [[TEST]] ], [ [[E]], [[TEST1]] ], [ [[C]], [[ENTRY:%.*]] ] |
| ; CHECK-NEXT: [[TMP3:%.*]] = phi i32 [ [[D]], [[TEST]] ], [ [[C]], [[ENTRY]] ], [ [[E]], [[TEST1]] ] |
| ; CHECK-NEXT: ret void |
| ; CHECK: next: |
| ; CHECK-NEXT: ret void |
| ; |