| ; 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 are able to outline when all of the phi nodes in the starting |
| ; block are included in the region and there is no more than one predecessor |
| ; into those phi nodes from outside of 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 |
| br i1 true, label %test, label %test1 |
| test: |
| %d = load i32, i32* %0, align 4 |
| br label %first |
| 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 [ %e, %test1 ], [ %y, %entry ] |
| %e = load i32, i32* %0, align 4 |
| %3 = add i32 %c, %c |
| br i1 true, label %test, label %test1 |
| test: |
| %d = load i32, i32* %0, align 4 |
| br label %first |
| first: |
| 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: [[Y:%.*]] = add i32 [[C]], [[C]] |
| ; CHECK-NEXT: br label [[TEST1:%.*]] |
| ; CHECK: dummy: |
| ; CHECK-NEXT: ret void |
| ; CHECK: test1: |
| ; CHECK-NEXT: call void @outlined_ir_func_0(i32 [[Y]], i32* [[TMP0]], i32 [[C]]) |
| ; CHECK-NEXT: br label [[FIRST:%.*]] |
| ; CHECK: first: |
| ; 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: [[Y:%.*]] = mul i32 [[C]], [[C]] |
| ; CHECK-NEXT: br label [[TEST1:%.*]] |
| ; CHECK: dummy: |
| ; CHECK-NEXT: ret void |
| ; CHECK: test1: |
| ; CHECK-NEXT: call void @outlined_ir_func_0(i32 [[Y]], i32* [[TMP0]], i32 [[C]]) |
| ; CHECK-NEXT: br label [[FIRST:%.*]] |
| ; CHECK: first: |
| ; CHECK-NEXT: ret void |
| ; |
| ; |
| ; CHECK: define internal void @outlined_ir_func_0( |
| ; CHECK-NEXT: newFuncRoot: |
| ; CHECK-NEXT: br label [[TEST1_TO_OUTLINE:%.*]] |
| ; CHECK: test1_to_outline: |
| ; CHECK-NEXT: [[TMP3:%.*]] = phi i32 [ [[E:%.*]], [[TEST1_TO_OUTLINE]] ], [ [[TMP0:%.*]], [[NEWFUNCROOT:%.*]] ] |
| ; CHECK-NEXT: [[TMP4:%.*]] = phi i32 [ [[E]], [[TEST1_TO_OUTLINE]] ], [ [[TMP0]], [[NEWFUNCROOT]] ] |
| ; CHECK-NEXT: [[E]] = load i32, i32* [[TMP1:%.*]], align 4 |
| ; CHECK-NEXT: [[TMP5:%.*]] = add i32 [[TMP2:%.*]], [[TMP2]] |
| ; CHECK-NEXT: br i1 true, label [[TEST:%.*]], label [[TEST1_TO_OUTLINE]] |
| ; CHECK: test: |
| ; CHECK-NEXT: [[D:%.*]] = load i32, i32* [[TMP1]], align 4 |
| ; CHECK-NEXT: br label [[FIRST_EXITSTUB:%.*]] |
| ; CHECK: first.exitStub: |
| ; CHECK-NEXT: ret void |
| ; |