| ; 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 beginning |
| ; block are included not in the region. |
| |
| define void @function1(i32* %a, i32* %b) { |
| entry: |
| %0 = alloca i32, align 4 |
| %c = load i32, i32* %0, align 4 |
| %y = add i32 %c, %c |
| br label %test1 |
| dummy: |
| ret void |
| test1: |
| %1 = phi i32 [ %e, %test1 ], [ %y, %entry ] |
| %2 = phi i32 [ %e, %test1 ], [ %y, %entry ] |
| %e = load i32, i32* %0, align 4 |
| %3 = add i32 %c, %c |
| %4 = sub i32 %c, %c |
| br i1 true, label %first, label %test1 |
| first: |
| ret void |
| } |
| |
| define void @function2(i32* %a, i32* %b) { |
| entry: |
| %0 = alloca i32, align 4 |
| %c = load i32, i32* %0, align 4 |
| %y = mul i32 %c, %c |
| br label %test1 |
| dummy: |
| ret void |
| test1: |
| %1 = phi i32 [ %e, %test1 ], [ %y, %entry ] |
| %2 = phi i32 [ %y, %entry ], [ %e, %test1 ] |
| %e = load i32, i32* %0, align 4 |
| %3 = add i32 %c, %c |
| %4 = mul i32 %c, %c |
| br i1 true, label %first, label %test1 |
| first: |
| ret void |
| } |
| ; CHECK-LABEL: @function1( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[E_LOC:%.*]] = alloca i32, align 4 |
| ; CHECK-NEXT: [[TMP0:%.*]] = alloca i32, align 4 |
| ; CHECK-NEXT: [[C:%.*]] = load i32, i32* [[TMP0]], align 4 |
| ; CHECK-NEXT: [[Y:%.*]] = add i32 [[C]], [[C]] |
| ; CHECK-NEXT: br label [[TEST1:%.*]] |
| ; CHECK: dummy: |
| ; CHECK-NEXT: ret void |
| ; CHECK: test1: |
| ; CHECK-NEXT: [[TMP1:%.*]] = phi i32 [ [[E_RELOAD:%.*]], [[TEST1]] ], [ [[Y]], [[ENTRY:%.*]] ] |
| ; CHECK-NEXT: [[TMP2:%.*]] = phi i32 [ [[E_RELOAD]], [[TEST1]] ], [ [[Y]], [[ENTRY]] ] |
| ; CHECK-NEXT: [[LT_CAST:%.*]] = bitcast i32* [[E_LOC]] to i8* |
| ; CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 -1, i8* [[LT_CAST]]) |
| ; CHECK-NEXT: call void @outlined_ir_func_0(i32* [[TMP0]], i32 [[C]], i32* [[E_LOC]]) |
| ; CHECK-NEXT: [[E_RELOAD]] = load i32, i32* [[E_LOC]], align 4 |
| ; CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 -1, i8* [[LT_CAST]]) |
| ; CHECK-NEXT: [[TMP3:%.*]] = sub i32 [[C]], [[C]] |
| ; CHECK-NEXT: br i1 true, label [[FIRST:%.*]], label [[TEST1]] |
| ; CHECK: first: |
| ; CHECK-NEXT: ret void |
| ; |
| ; |
| ; CHECK-LABEL: @function2( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[E_LOC:%.*]] = alloca i32, align 4 |
| ; CHECK-NEXT: [[TMP0:%.*]] = alloca i32, align 4 |
| ; CHECK-NEXT: [[C:%.*]] = load i32, i32* [[TMP0]], align 4 |
| ; CHECK-NEXT: [[Y:%.*]] = mul i32 [[C]], [[C]] |
| ; CHECK-NEXT: br label [[TEST1:%.*]] |
| ; CHECK: dummy: |
| ; CHECK-NEXT: ret void |
| ; CHECK: test1: |
| ; CHECK-NEXT: [[TMP1:%.*]] = phi i32 [ [[E_RELOAD:%.*]], [[TEST1]] ], [ [[Y]], [[ENTRY:%.*]] ] |
| ; CHECK-NEXT: [[TMP2:%.*]] = phi i32 [ [[Y]], [[ENTRY]] ], [ [[E_RELOAD]], [[TEST1]] ] |
| ; CHECK-NEXT: [[LT_CAST:%.*]] = bitcast i32* [[E_LOC]] to i8* |
| ; CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 -1, i8* [[LT_CAST]]) |
| ; CHECK-NEXT: call void @outlined_ir_func_0(i32* [[TMP0]], i32 [[C]], i32* [[E_LOC]]) |
| ; CHECK-NEXT: [[E_RELOAD]] = load i32, i32* [[E_LOC]], align 4 |
| ; CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 -1, i8* [[LT_CAST]]) |
| ; CHECK-NEXT: [[TMP3:%.*]] = mul i32 [[C]], [[C]] |
| ; CHECK-NEXT: br i1 true, label [[FIRST:%.*]], label [[TEST1]] |
| ; CHECK: first: |
| ; CHECK-NEXT: ret void |
| ; |
| ; |
| ; CHECK-LABEL: define internal void @outlined_ir_func_0( |
| ; CHECK-NEXT: newFuncRoot: |
| ; CHECK-NEXT: br label [[TEST1_TO_OUTLINE:%.*]] |
| ; CHECK: test1_to_outline: |
| ; CHECK-NEXT: [[E:%.*]] = load i32, i32* [[TMP0:%.*]], align 4 |
| ; CHECK-NEXT: [[TMP3:%.*]] = add i32 [[TMP1:%.*]], [[TMP1]] |
| ; CHECK-NEXT: br label [[TEST1_AFTER_OUTLINE_EXITSTUB:%.*]] |
| ; CHECK: test1_after_outline.exitStub: |
| ; CHECK-NEXT: store i32 [[E]], i32* [[TMP2:%.*]], align 4 |
| ; CHECK-NEXT: ret void |
| ; |