| ; 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 |
| |
| ; When consolidating PHINodes, the outliner replaces the incoming value with |
| ; a corresponding value from the first outlined section. When this replaced |
| ; value is passed in as an argument, the corresponding value is found outside |
| ; of the outlined region, and must be replaced with an argument to avoid |
| ; dominating value errors. This checks that we use the argument to replace |
| ; the incoming value. |
| |
| define void @func1(i32 %0, i32 %1) local_unnamed_addr #0 { |
| bb1: |
| br label %bb5 |
| |
| bb2: |
| %a = add i32 %0, %1 |
| %b = add i32 %0, %1 |
| %c = icmp eq i32 %b, %a |
| br i1 %c, label %bb5, label %bb3 |
| |
| bb3: |
| %d = add i32 %0, %1 |
| br label %bb5 |
| |
| bb4: |
| %e = sub i32 %0, %1 |
| br label %bb2 |
| |
| bb5: |
| ret void |
| } |
| |
| define void @func2(i32 %0, i32 %1) local_unnamed_addr #0 { |
| bb1: |
| br label %bb5 |
| |
| bb2: |
| %a = sub i32 %0, %1 |
| %b = add i32 %0, %1 |
| %c = icmp eq i32 %b, 1 |
| br i1 %c, label %bb5, label %bb3 |
| |
| bb3: |
| %d = add i32 %0, %1 |
| br label %bb5 |
| |
| bb4: |
| %e = add i32 %0, %1 |
| br label %bb2 |
| |
| bb5: |
| %f = phi i32 [ 0, %bb1 ], [ 1, %bb2 ], [ 1, %bb3 ] |
| ret void |
| } |
| ; CHECK-LABEL: @func1( |
| ; CHECK-NEXT: bb1: |
| ; CHECK-NEXT: br label [[BB5:%.*]] |
| ; CHECK: bb2: |
| ; CHECK-NEXT: [[A:%.*]] = add i32 [[TMP0:%.*]], [[TMP1:%.*]] |
| ; CHECK-NEXT: call void @outlined_ir_func_0(i32 [[TMP0]], i32 [[TMP1]], i32 [[A]], ptr null, i32 -1) |
| ; CHECK-NEXT: br label [[BB5]] |
| ; CHECK: bb4: |
| ; CHECK-NEXT: [[E:%.*]] = sub i32 [[TMP0]], [[TMP1]] |
| ; CHECK-NEXT: br label [[BB2:%.*]] |
| ; CHECK: bb5: |
| ; CHECK-NEXT: ret void |
| ; |
| ; |
| ; CHECK-LABEL: @func2( |
| ; CHECK-NEXT: bb1: |
| ; CHECK-NEXT: [[F_CE_LOC:%.*]] = alloca i32, align 4 |
| ; CHECK-NEXT: br label [[BB5:%.*]] |
| ; CHECK: bb2: |
| ; CHECK-NEXT: [[A:%.*]] = sub i32 [[TMP0:%.*]], [[TMP1:%.*]] |
| ; CHECK-NEXT: call void @llvm.lifetime.start.p0(i64 -1, ptr [[F_CE_LOC]]) |
| ; CHECK-NEXT: call void @outlined_ir_func_0(i32 [[TMP0]], i32 [[TMP1]], i32 1, ptr [[F_CE_LOC]], i32 0) |
| ; CHECK-NEXT: [[F_CE_RELOAD:%.*]] = load i32, ptr [[F_CE_LOC]], align 4 |
| ; CHECK-NEXT: call void @llvm.lifetime.end.p0(i64 -1, ptr [[F_CE_LOC]]) |
| ; CHECK-NEXT: br label [[BB5]] |
| ; CHECK: bb4: |
| ; CHECK-NEXT: [[E:%.*]] = add i32 [[TMP0]], [[TMP1]] |
| ; CHECK-NEXT: br label [[BB2:%.*]] |
| ; CHECK: bb5: |
| ; CHECK-NEXT: [[F:%.*]] = phi i32 [ 0, [[BB1:%.*]] ], [ [[F_CE_RELOAD]], [[BB2]] ] |
| ; CHECK-NEXT: ret void |
| ; |
| ; |
| ; CHECK-LABEL: define internal void @outlined_ir_func_0( |
| ; CHECK-NEXT: newFuncRoot: |
| ; CHECK-NEXT: br label [[BB2_TO_OUTLINE:%.*]] |
| ; CHECK: bb2_to_outline: |
| ; CHECK-NEXT: [[B:%.*]] = add i32 [[TMP0:%.*]], [[TMP1:%.*]] |
| ; CHECK-NEXT: [[C:%.*]] = icmp eq i32 [[B]], [[TMP2:%.*]] |
| ; CHECK-NEXT: br i1 [[C]], label [[PHI_BLOCK:%.*]], label [[BB3:%.*]] |
| ; CHECK: bb3: |
| ; CHECK-NEXT: [[D:%.*]] = add i32 [[TMP0]], [[TMP1]] |
| ; CHECK-NEXT: br label [[PHI_BLOCK]] |
| ; CHECK: bb5.exitStub: |
| ; CHECK-NEXT: switch i32 [[TMP4:%.*]], label [[FINAL_BLOCK_0:%.*]] [ |
| ; CHECK-NEXT: i32 0, label [[OUTPUT_BLOCK_1_0:%.*]] |
| ; CHECK-NEXT: ] |
| ; CHECK: output_block_1_0: |
| ; CHECK-NEXT: store i32 [[TMP5:%.*]], ptr [[TMP3:%.*]], align 4 |
| ; CHECK-NEXT: br label [[FINAL_BLOCK_0]] |
| ; CHECK: phi_block: |
| ; CHECK-NEXT: [[TMP5]] = phi i32 [ [[TMP2]], [[BB2_TO_OUTLINE]] ], [ [[TMP2]], [[BB3]] ] |
| ; CHECK-NEXT: br label [[BB5_EXITSTUB:%.*]] |
| ; CHECK: final_block_0: |
| ; CHECK-NEXT: ret void |
| ; |