| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -print-predicateinfo < %s 2>&1 | FileCheck %s |
| define i1 @f(i32 %x, i1 %y) { |
| ; CHECK-LABEL: @f( |
| ; CHECK-NEXT: br i1 [[Y:%.*]], label [[BB0:%.*]], label [[BB1:%.*]] |
| ; CHECK: bb0: |
| ; CHECK-NEXT: [[CMP:%.*]] = icmp sge i32 [[X:%.*]], 0 |
| ; CHECK: [[X_0:%.*]] = call i32 @llvm.ssa.copy.{{.+}}(i32 [[X]]) |
| ; CHECK-NEXT: br i1 [[CMP]], label [[BB2:%.*]], label [[BB3:%.*]] |
| ; CHECK: bb1: |
| ; CHECK-NEXT: [[X2:%.*]] = add nuw nsw i32 [[X]], 1 |
| ; CHECK-NEXT: [[CMP2:%.*]] = icmp sge i32 [[X2]], 2 |
| ; CHECK: [[X2_0:%.*]] = call i32 @llvm.ssa.copy.{{.+}}(i32 [[X2]]) |
| ; CHECK-NEXT: br i1 [[CMP2]], label [[BB2]], label [[BB3]] |
| ; CHECK: bb2: |
| ; CHECK-NEXT: [[X3:%.*]] = phi i32 [ [[X_0]], [[BB0]] ], [ [[X2_0]], [[BB1]] ] |
| ; CHECK-NEXT: br label [[BB3]] |
| ; CHECK: bb3: |
| ; CHECK-NEXT: ret i1 false |
| ; |
| br i1 %y, label %bb0, label %bb1 |
| bb0: |
| %cmp = icmp sge i32 %x, 0 ; x > 0 |
| br i1 %cmp, label %bb2, label %bb3 |
| bb1: |
| %x2 = add nsw nuw i32 %x, 1 |
| %cmp2 = icmp sge i32 %x2, 2 ; x+1 > 2 / x > 1 |
| br i1 %cmp2, label %bb2, label %bb3 |
| bb2: |
| %x3 = phi i32 [ %x, %bb0 ], [ %x2, %bb1 ] |
| br label %bb3 |
| bb3: |
| ret i1 0 |
| } |
| |
| define i1 @g(i32 %x, i1 %y) { |
| ; CHECK-LABEL: @g( |
| ; CHECK-NEXT: br i1 [[Y:%.*]], label [[BB0:%.*]], label [[BB1:%.*]] |
| ; CHECK: bb0: |
| ; CHECK-NEXT: [[CMP:%.*]] = icmp sge i32 [[X:%.*]], 0 |
| ; CHECK: [[X_0:%.*]] = call i32 @llvm.ssa.copy.{{.+}}(i32 [[X]]) |
| ; CHECK-NEXT: br i1 [[CMP]], label [[BB3:%.*]], label [[BB2:%.*]] |
| ; CHECK: bb1: |
| ; CHECK-NEXT: [[X2:%.*]] = add nuw nsw i32 [[X]], 1 |
| ; CHECK-NEXT: [[CMP2:%.*]] = icmp sge i32 [[X2]], 2 |
| ; CHECK: [[X2_0:%.*]] = call i32 @llvm.ssa.copy.{{.+}}(i32 [[X2]]) |
| ; CHECK-NEXT: br i1 [[CMP2]], label [[BB3]], label [[BB2]] |
| ; CHECK: bb2: |
| ; CHECK-NEXT: [[X3:%.*]] = phi i32 [ [[X_0]], [[BB0]] ], [ [[X2_0]], [[BB1]] ] |
| ; CHECK-NEXT: br label [[BB3]] |
| ; CHECK: bb3: |
| ; CHECK-NEXT: ret i1 false |
| ; |
| br i1 %y, label %bb0, label %bb1 |
| bb0: |
| %cmp = icmp sge i32 %x, 0 ; x > 0 |
| br i1 %cmp, label %bb3, label %bb2 |
| bb1: |
| %x2 = add nsw nuw i32 %x, 1 |
| %cmp2 = icmp sge i32 %x2, 2 ; x+1 > 2 / x > 1 |
| br i1 %cmp2, label %bb3, label %bb2 |
| bb2: |
| %x3 = phi i32 [ %x, %bb0 ], [ %x2, %bb1 ] |
| br label %bb3 |
| bb3: |
| ret i1 0 |
| } |
| |