| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -loop-reduce -S %s | 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" |
| |
| ; Make sure we do not crash when applying info from loop guards to expressions in @bar. |
| ; Test case for PR47776. |
| |
| define void @bar() personality i32* ()* @zot { |
| ; CHECK-LABEL: @bar( |
| ; CHECK-NEXT: bb: |
| ; CHECK-NEXT: br label [[BB1:%.*]] |
| ; CHECK: bb1.loopexit: |
| ; CHECK-NEXT: br label [[BB1]] |
| ; CHECK: bb1: |
| ; CHECK-NEXT: [[TMP:%.*]] = phi i32 [ 1, [[BB:%.*]] ], [ 0, [[BB1_LOOPEXIT:%.*]] ] |
| ; CHECK-NEXT: br label [[BB2:%.*]] |
| ; CHECK: bb2: |
| ; CHECK-NEXT: [[TMP3:%.*]] = phi i64 [ 0, [[BB1]] ], [ [[TMP7:%.*]], [[BB5:%.*]] ] |
| ; CHECK-NEXT: [[TMP4:%.*]] = invoke i32 @fn() |
| ; CHECK-NEXT: to label [[BB5]] unwind label [[BB23_LOOPEXIT_SPLIT_LP:%.*]] |
| ; CHECK: bb5: |
| ; CHECK-NEXT: [[TMP6:%.*]] = load atomic i32, i32 addrspace(1)* undef unordered, align 8 |
| ; CHECK-NEXT: [[TMP7]] = add nuw nsw i64 [[TMP3]], 1 |
| ; CHECK-NEXT: [[C_0:%.*]] = icmp ult i64 [[TMP7]], 10000 |
| ; CHECK-NEXT: br i1 [[C_0]], label [[BB2]], label [[BB8:%.*]] |
| ; CHECK: bb8: |
| ; CHECK-NEXT: [[TMP9:%.*]] = icmp ult i32 [[TMP]], [[TMP6]] |
| ; CHECK-NEXT: br i1 [[TMP9]], label [[BB10:%.*]], label [[BB29:%.*]] |
| ; CHECK: bb10: |
| ; CHECK-NEXT: [[TMP11:%.*]] = mul i32 [[TMP]], -1 |
| ; CHECK-NEXT: [[TMP0:%.*]] = sext i32 [[TMP11]] to i64 |
| ; CHECK-NEXT: [[TMP1:%.*]] = add nsw i64 [[TMP0]], 1 |
| ; CHECK-NEXT: [[TMP2:%.*]] = sub i64 [[TMP1]], [[TMP7]] |
| ; CHECK-NEXT: [[TMP1:%.*]] = trunc i64 [[TMP2]] to i32 |
| ; CHECK-NEXT: [[TMP16:%.*]] = and i32 [[TMP1]], 7 |
| ; CHECK-NEXT: br label [[BB17:%.*]] |
| ; CHECK: bb17: |
| ; CHECK-NEXT: [[TMP18:%.*]] = phi i32 [ [[TMP21:%.*]], [[BB20:%.*]] ], [ [[TMP16]], [[BB10]] ] |
| ; CHECK-NEXT: [[TMP19:%.*]] = invoke i32 @fn() |
| ; CHECK-NEXT: to label [[BB20]] unwind label [[BB23_LOOPEXIT:%.*]] |
| ; CHECK: bb20: |
| ; CHECK-NEXT: [[TMP21]] = add i32 [[TMP18]], -1 |
| ; CHECK-NEXT: [[TMP22:%.*]] = icmp eq i32 [[TMP21]], 0 |
| ; CHECK-NEXT: br i1 [[TMP22]], label [[BB1_LOOPEXIT]], label [[BB17]] |
| ; CHECK: bb23.loopexit: |
| ; CHECK-NEXT: [[LPAD_LOOPEXIT:%.*]] = landingpad token |
| ; CHECK-NEXT: cleanup |
| ; CHECK-NEXT: br label [[BB23:%.*]] |
| ; CHECK: bb23.loopexit.split-lp: |
| ; CHECK-NEXT: [[LPAD_LOOPEXIT_SPLIT_LP:%.*]] = landingpad token |
| ; CHECK-NEXT: cleanup |
| ; CHECK-NEXT: br label [[BB23]] |
| ; CHECK: bb23: |
| ; CHECK-NEXT: ret void |
| ; CHECK: bb29: |
| ; CHECK-NEXT: ret void |
| ; |
| bb: |
| br label %bb1 |
| |
| bb1: ; preds = %bb20, %bb |
| %tmp = phi i32 [ 1, %bb ], [ 0, %bb20 ] |
| br label %bb2 |
| |
| bb2: ; preds = %bb5, %bb1 |
| %tmp3 = phi i64 [ 0, %bb1 ], [ %tmp7, %bb5 ] |
| %tmp4 = invoke i32 @fn() |
| to label %bb5 unwind label %bb23 |
| |
| bb5: ; preds = %bb2 |
| %tmp6 = load atomic i32, i32 addrspace(1)* undef unordered, align 8 |
| %tmp7 = add nuw nsw i64 %tmp3, 1 |
| %c.0 = icmp ult i64 %tmp7, 10000 |
| br i1 %c.0, label %bb2, label %bb8 |
| |
| bb8: ; preds = %bb5 |
| %tmp9 = icmp ult i32 %tmp, %tmp6 |
| br i1 %tmp9, label %bb10, label %bb29 |
| |
| bb10: ; preds = %bb8 |
| %tmp11 = mul i32 %tmp, -1 |
| %tmp12 = zext i32 %tmp11 to i64 |
| %tmp13 = sub i64 %tmp12, %tmp7 |
| %tmp14 = add i64 %tmp13, 1 |
| %tmp15 = trunc i64 %tmp14 to i32 |
| %tmp16 = and i32 %tmp15, 7 |
| br label %bb17 |
| |
| bb17: ; preds = %bb20, %bb10 |
| %tmp18 = phi i32 [ %tmp21, %bb20 ], [ %tmp16, %bb10 ] |
| %tmp19 = invoke i32 @fn() |
| to label %bb20 unwind label %bb23 |
| |
| bb20: ; preds = %bb17 |
| %tmp21 = add i32 %tmp18, -1 |
| %tmp22 = icmp eq i32 %tmp21, 0 |
| br i1 %tmp22, label %bb1, label %bb17 |
| |
| bb23: ; preds = %bb17 |
| %tmp24 = landingpad token |
| cleanup |
| ret void |
| |
| bb29: ; preds = %bb8 |
| ret void |
| } |
| |
| declare i32* @zot() #1 |
| |
| declare i32 @fn() |