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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --include-generated-funcs2; RUN: opt -S -passes=verify,iroutliner -ir-outlining-no-cost < %s | FileCheck %s3 4; Show that we are able to extract blocks that contain PHINodes, and selectively5; store into it's respective block, only using if needed.6 7define void @function1(ptr %a, ptr %b) {8entry:9 %0 = alloca i32, align 410 %c = load i32, ptr %0, align 411 br label %test112test1:13 %e = load i32, ptr %0, align 414 br label %first15test:16 %d = load i32, ptr %0, align 417 br label %first18first:19 %1 = phi i32 [ %c, %test ], [ %e, %test1 ]20 ret void21}22 23define void @function2(ptr %a, ptr %b) {24entry:25 %0 = alloca i32, align 426 %c = load i32, ptr %0, align 427 br label %test128test1:29 %e = load i32, ptr %0, align 430 br label %first31test:32 %d = load i32, ptr %0, align 433 br label %first34first:35 ret void36}37; CHECK-LABEL: @function1(38; CHECK-NEXT: entry:39; CHECK-NEXT: [[DOTCE_LOC:%.*]] = alloca i32, align 440; CHECK-NEXT: [[TMP0:%.*]] = alloca i32, align 441; CHECK-NEXT: call void @llvm.lifetime.start.p0(ptr [[DOTCE_LOC]])42; CHECK-NEXT: call void @outlined_ir_func_0(ptr [[TMP0]], ptr [[DOTCE_LOC]], i32 0)43; CHECK-NEXT: [[DOTCE_RELOAD:%.*]] = load i32, ptr [[DOTCE_LOC]], align 444; CHECK-NEXT: call void @llvm.lifetime.end.p0(ptr [[DOTCE_LOC]])45; CHECK-NEXT: br label [[FIRST:%.*]]46; CHECK: first:47; CHECK-NEXT: [[TMP1:%.*]] = phi i32 [ [[DOTCE_RELOAD]], [[ENTRY:%.*]] ]48; CHECK-NEXT: ret void49;50;51; CHECK-LABEL: @function2(52; CHECK-NEXT: entry:53; CHECK-NEXT: [[TMP0:%.*]] = alloca i32, align 454; CHECK-NEXT: call void @outlined_ir_func_0(ptr [[TMP0]], ptr null, i32 -1)55; CHECK-NEXT: br label [[FIRST:%.*]]56; CHECK: first:57; CHECK-NEXT: ret void58;59;60; CHECK-LABEL: define internal void @outlined_ir_func_0(61; CHECK-NEXT: newFuncRoot:62; CHECK-NEXT: br label [[ENTRY_TO_OUTLINE:%.*]]63; CHECK: entry_to_outline:64; CHECK-NEXT: [[C:%.*]] = load i32, ptr [[TMP0:%.*]], align 465; CHECK-NEXT: br label [[TEST1:%.*]]66; CHECK: test1:67; CHECK-NEXT: [[E:%.*]] = load i32, ptr [[TMP0]], align 468; CHECK-NEXT: br label [[FIRST_SPLIT:%.*]]69; CHECK: test:70; CHECK-NEXT: [[D:%.*]] = load i32, ptr [[TMP0]], align 471; CHECK-NEXT: br label [[FIRST_SPLIT]]72; CHECK: first.split:73; CHECK-NEXT: [[DOTCE:%.*]] = phi i32 [ [[C]], [[TEST:%.*]] ], [ [[E]], [[TEST1]] ]74; CHECK-NEXT: br label [[FIRST_EXITSTUB:%.*]]75; CHECK: first.exitStub:76; CHECK-NEXT: switch i32 [[TMP2:%.*]], label [[FINAL_BLOCK_0:%.*]] [77; CHECK-NEXT: i32 0, label [[OUTPUT_BLOCK_0_0:%.*]]78; CHECK-NEXT: ]79; CHECK: output_block_0_0:80; CHECK-NEXT: store i32 [[DOTCE]], ptr [[TMP1:%.*]], align 481; CHECK-NEXT: br label [[FINAL_BLOCK_0]]82; CHECK: final_block_0:83; CHECK-NEXT: ret void84;85