| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2 |
| ; RUN: opt -S -passes=early-cse %s | FileCheck %s |
| |
| ; Check for regression when phi support for computeKnownFPClass was |
| ; first committed. |
| define void @compute_known_fpclass_phi_assert(i1 %cmp46, i1 %tobool51, ptr %a01) { |
| ; CHECK-LABEL: define void @compute_known_fpclass_phi_assert |
| ; CHECK-SAME: (i1 [[CMP46:%.*]], i1 [[TOBOOL51:%.*]], ptr [[A01:%.*]]) { |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: br label [[FOR_COND45:%.*]] |
| ; CHECK: for.cond45: |
| ; CHECK-NEXT: [[TMP0:%.*]] = phi double [ [[TMP1:%.*]], [[FOR_INC80:%.*]] ], [ 0.000000e+00, [[ENTRY:%.*]] ] |
| ; CHECK-NEXT: br i1 [[CMP46]], label [[FOR_BODY48:%.*]], label [[FOR_END82:%.*]] |
| ; CHECK: for.body48: |
| ; CHECK-NEXT: br i1 [[TOBOOL51]], label [[FOR_INC80]], label [[IF_THEN52:%.*]] |
| ; CHECK: if.then52: |
| ; CHECK-NEXT: store double 0.000000e+00, ptr [[A01]], align 8 |
| ; CHECK-NEXT: br label [[FOR_INC80]] |
| ; CHECK: for.inc80: |
| ; CHECK-NEXT: [[TMP1]] = phi double [ 0.000000e+00, [[IF_THEN52]] ], [ [[TMP0]], [[FOR_BODY48]] ] |
| ; CHECK-NEXT: br label [[FOR_COND45]] |
| ; CHECK: for.end82: |
| ; CHECK-NEXT: [[MUL84:%.*]] = fmul double [[TMP0]], 0.000000e+00 |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| br label %for.cond45 |
| |
| for.cond45: ; preds = %for.inc80, %entry |
| %0 = phi double [ %1, %for.inc80 ], [ 0.000000e+00, %entry ] |
| br i1 %cmp46, label %for.body48, label %for.end82 |
| |
| for.body48: ; preds = %for.cond45 |
| br i1 %tobool51, label %for.inc80, label %if.then52 |
| |
| if.then52: ; preds = %for.body48 |
| store double 0.000000e+00, ptr %a01, align 8 |
| br label %for.inc80 |
| |
| for.inc80: ; preds = %if.then52, %for.body48 |
| %1 = phi double [ 0.000000e+00, %if.then52 ], [ %0, %for.body48 ] |
| br label %for.cond45 |
| |
| for.end82: ; preds = %for.cond45 |
| %mul84 = fmul double %0, 0.000000e+00 |
| %neg = fneg double %mul84 |
| ret void |
| } |