1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2 2; RUN: opt -S -passes=early-cse %s | FileCheck %s 3 4; Check for regression when phi support for computeKnownFPClass was 5; first committed. 6define void @compute_known_fpclass_phi_assert(i1 %cmp46, i1 %tobool51, ptr %a01) { 7; CHECK-LABEL: define void @compute_known_fpclass_phi_assert 8; CHECK-SAME: (i1 [[CMP46:%.*]], i1 [[TOBOOL51:%.*]], ptr [[A01:%.*]]) { 9; CHECK-NEXT: entry: 10; CHECK-NEXT: br label [[FOR_COND45:%.*]] 11; CHECK: for.cond45: 12; CHECK-NEXT: [[TMP0:%.*]] = phi double [ [[TMP1:%.*]], [[FOR_INC80:%.*]] ], [ 0.000000e+00, [[ENTRY:%.*]] ] 13; CHECK-NEXT: br i1 [[CMP46]], label [[FOR_BODY48:%.*]], label [[FOR_END82:%.*]] 14; CHECK: for.body48: 15; CHECK-NEXT: br i1 [[TOBOOL51]], label [[FOR_INC80]], label [[IF_THEN52:%.*]] 16; CHECK: if.then52: 17; CHECK-NEXT: store double 0.000000e+00, ptr [[A01]], align 8 18; CHECK-NEXT: br label [[FOR_INC80]] 19; CHECK: for.inc80: 20; CHECK-NEXT: [[TMP1]] = phi double [ 0.000000e+00, [[IF_THEN52]] ], [ [[TMP0]], [[FOR_BODY48]] ] 21; CHECK-NEXT: br label [[FOR_COND45]] 22; CHECK: for.end82: 23; CHECK-NEXT: ret void 24; 25entry: 26 br label %for.cond45 27 28for.cond45: ; preds = %for.inc80, %entry 29 %0 = phi double [ %1, %for.inc80 ], [ 0.000000e+00, %entry ] 30 br i1 %cmp46, label %for.body48, label %for.end82 31 32for.body48: ; preds = %for.cond45 33 br i1 %tobool51, label %for.inc80, label %if.then52 34 35if.then52: ; preds = %for.body48 36 store double 0.000000e+00, ptr %a01, align 8 37 br label %for.inc80 38 39for.inc80: ; preds = %if.then52, %for.body48 40 %1 = phi double [ 0.000000e+00, %if.then52 ], [ %0, %for.body48 ] 41 br label %for.cond45 42 43for.end82: ; preds = %for.cond45 44 %mul84 = fmul double %0, 0.000000e+00 45 %neg = fneg double %mul84 46 ret void 47} 48