| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -S < %s -passes=loop-unroll | FileCheck %s |
| target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128-ni:1-p2:32:8:8:32-ni:2" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| define i32 @test() { |
| ; CHECK-LABEL: @test( |
| ; CHECK-NEXT: bb: |
| ; CHECK-NEXT: br label [[BB1:%.*]] |
| ; CHECK: bb1: |
| ; CHECK-NEXT: [[TMP:%.*]] = phi i32 [ -147, [[BB:%.*]] ], [ [[TMP14:%.*]], [[BB13:%.*]] ] |
| ; CHECK-NEXT: br label [[BB2_PEEL_BEGIN:%.*]] |
| ; CHECK: bb2.peel.begin: |
| ; CHECK-NEXT: br label [[BB2_PEEL:%.*]] |
| ; CHECK: bb2.peel: |
| ; CHECK-NEXT: [[TMP4_PEEL:%.*]] = add nsw i32 undef, [[TMP]] |
| ; CHECK-NEXT: br label [[BB5_PEEL:%.*]] |
| ; CHECK: bb5.peel: |
| ; CHECK-NEXT: [[TMP6_PEEL:%.*]] = icmp eq i32 undef, 33 |
| ; CHECK-NEXT: br i1 [[TMP6_PEEL]], label [[BB7_PEEL:%.*]], label [[BB15_LOOPEXIT2:%.*]] |
| ; CHECK: bb7.peel: |
| ; CHECK-NEXT: [[TMP8_PEEL:%.*]] = sub nsw i32 undef, undef |
| ; CHECK-NEXT: [[TMP9_PEEL:%.*]] = icmp eq i32 [[TMP8_PEEL]], 0 |
| ; CHECK-NEXT: br i1 [[TMP9_PEEL]], label [[BB10_PEEL:%.*]], label [[BB10_PEEL]] |
| ; CHECK: bb10.peel: |
| ; CHECK-NEXT: [[TMP11_PEEL:%.*]] = icmp eq i8 undef, 0 |
| ; CHECK-NEXT: br i1 [[TMP11_PEEL]], label [[BB12_PEEL:%.*]], label [[BB17_LOOPEXIT3:%.*]] |
| ; CHECK: bb12.peel: |
| ; CHECK-NEXT: br i1 false, label [[BB13]], label [[BB2_PEEL_NEXT:%.*]] |
| ; CHECK: bb2.peel.next: |
| ; CHECK-NEXT: br label [[BB2_PEEL_NEXT1:%.*]] |
| ; CHECK: bb2.peel.next1: |
| ; CHECK-NEXT: br label [[BB1_PEEL_NEWPH:%.*]] |
| ; CHECK: bb1.peel.newph: |
| ; CHECK-NEXT: br label [[BB2:%.*]] |
| ; CHECK: bb2: |
| ; CHECK-NEXT: [[TMP3:%.*]] = phi i32 [ [[TMP4_PEEL]], [[BB1_PEEL_NEWPH]] ], [ [[TMP4:%.*]], [[BB12:%.*]] ] |
| ; CHECK-NEXT: [[TMP4]] = add nsw i32 [[TMP3]], [[TMP]] |
| ; CHECK-NEXT: br label [[BB5:%.*]] |
| ; CHECK: bb5: |
| ; CHECK-NEXT: br i1 undef, label [[BB7:%.*]], label [[BB15_LOOPEXIT:%.*]] |
| ; CHECK: bb7: |
| ; CHECK-NEXT: br i1 undef, label [[BB10:%.*]], label [[BB10]] |
| ; CHECK: bb10: |
| ; CHECK-NEXT: br i1 undef, label [[BB12]], label [[BB17_LOOPEXIT:%.*]] |
| ; CHECK: bb12: |
| ; CHECK-NEXT: br i1 false, label [[BB13_LOOPEXIT:%.*]], label [[BB2]], !llvm.loop [[LOOP0:![0-9]+]] |
| ; CHECK: bb13.loopexit: |
| ; CHECK-NEXT: br label [[BB13]] |
| ; CHECK: bb13: |
| ; CHECK-NEXT: [[TMP14]] = add nsw i32 [[TMP]], -1 |
| ; CHECK-NEXT: br label [[BB1]] |
| ; CHECK: bb15.loopexit: |
| ; CHECK-NEXT: br label [[BB15:%.*]] |
| ; CHECK: bb15.loopexit2: |
| ; CHECK-NEXT: br label [[BB15]] |
| ; CHECK: bb15: |
| ; CHECK-NEXT: [[TMP16:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32(i32 17) [ "deopt"() ] |
| ; CHECK-NEXT: ret i32 [[TMP16]] |
| ; CHECK: bb17.loopexit: |
| ; CHECK-NEXT: br label [[BB17:%.*]] |
| ; CHECK: bb17.loopexit3: |
| ; CHECK-NEXT: br label [[BB17]] |
| ; CHECK: bb17: |
| ; CHECK-NEXT: [[TMP18:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32(i32 6) [ "deopt"() ] |
| ; CHECK-NEXT: ret i32 [[TMP18]] |
| ; |
| bb: |
| br label %bb1 |
| |
| bb1: ; preds = %bb13, %bb |
| %tmp = phi i32 [ -147, %bb ], [ %tmp14, %bb13 ] |
| br label %bb2 |
| |
| bb2: ; preds = %bb12, %bb1 |
| %tmp3 = phi i32 [ undef, %bb1 ], [ %tmp4, %bb12 ] |
| %tmp4 = add nsw i32 %tmp3, %tmp |
| br label %bb5 |
| |
| bb5: ; preds = %bb2 |
| %tmp6 = icmp eq i32 undef, 33 |
| br i1 %tmp6, label %bb7, label %bb15 |
| |
| bb7: ; preds = %bb5 |
| %tmp8 = sub nsw i32 %tmp3, undef |
| %tmp9 = icmp eq i32 %tmp8, 0 |
| br i1 %tmp9, label %bb10, label %bb10 |
| |
| bb10: ; preds = %bb7, %bb7 |
| %tmp11 = icmp eq i8 undef, 0 |
| br i1 %tmp11, label %bb12, label %bb17 |
| |
| bb12: ; preds = %bb10 |
| br i1 false, label %bb13, label %bb2 |
| |
| bb13: ; preds = %bb12 |
| %tmp14 = add nsw i32 %tmp, -1 |
| br label %bb1 |
| |
| bb15: ; preds = %bb5 |
| %tmp16 = call i32 (...) @llvm.experimental.deoptimize.i32(i32 17) [ "deopt"() ] |
| ret i32 %tmp16 |
| |
| bb17: ; preds = %bb10 |
| %tmp18 = call i32 (...) @llvm.experimental.deoptimize.i32(i32 6) [ "deopt"() ] |
| ret i32 %tmp18 |
| } |
| |
| declare i32 @llvm.experimental.deoptimize.i32(...) |