| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -passes=instcombine -S | FileCheck %s |
| |
| define void @test(ptr %a, ptr readnone %a_end, i64 %b, ptr %bf) unnamed_addr { |
| ; CHECK-LABEL: @test( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp ult ptr [[A:%.*]], [[A_END:%.*]] |
| ; CHECK-NEXT: [[B_FLOAT:%.*]] = inttoptr i64 [[B:%.*]] to ptr |
| ; CHECK-NEXT: br i1 [[CMP1]], label [[BB1:%.*]], label [[BB2:%.*]] |
| ; CHECK: bb1: |
| ; CHECK-NEXT: [[TMP0:%.*]] = inttoptr i64 [[B]] to ptr |
| ; CHECK-NEXT: br label [[FOR_BODY_PREHEADER:%.*]] |
| ; CHECK: bb2: |
| ; CHECK-NEXT: br label [[FOR_BODY_PREHEADER]] |
| ; CHECK: for.body.preheader: |
| ; CHECK-NEXT: [[B_PHI:%.*]] = phi ptr [ [[TMP0]], [[BB1]] ], [ [[BF:%.*]], [[BB2]] ] |
| ; CHECK-NEXT: switch i64 [[B]], label [[FOR_BODY:%.*]] [ |
| ; CHECK-NEXT: i64 1, label [[FOR_BODY]] |
| ; CHECK-NEXT: ] |
| ; CHECK: for.body: |
| ; CHECK-NEXT: [[A_ADDR_03:%.*]] = phi ptr [ [[INCDEC_PTR:%.*]], [[FOR_BODY]] ], [ [[A]], [[FOR_BODY_PREHEADER]] ], [ [[A]], [[FOR_BODY_PREHEADER]] ] |
| ; CHECK-NEXT: [[B_ADDR_FLOAT:%.*]] = phi ptr [ [[B_ADDR_FLOAT_INC:%.*]], [[FOR_BODY]] ], [ [[B_FLOAT]], [[FOR_BODY_PREHEADER]] ], [ [[B_FLOAT]], [[FOR_BODY_PREHEADER]] ] |
| ; CHECK-NEXT: [[B_ADDR_I64_PTR:%.*]] = phi ptr [ [[B_ADDR_FLOAT_INC]], [[FOR_BODY]] ], [ [[B_PHI]], [[FOR_BODY_PREHEADER]] ], [ [[B_PHI]], [[FOR_BODY_PREHEADER]] ] |
| ; CHECK-NEXT: [[L:%.*]] = load float, ptr [[B_ADDR_FLOAT]], align 4 |
| ; CHECK-NEXT: [[MUL_I:%.*]] = fmul float [[L]], 4.200000e+01 |
| ; CHECK-NEXT: store float [[MUL_I]], ptr [[A_ADDR_03]], align 4 |
| ; CHECK-NEXT: [[B_ADDR_FLOAT_INC]] = getelementptr inbounds float, ptr [[B_ADDR_I64_PTR]], i64 1 |
| ; CHECK-NEXT: [[INCDEC_PTR]] = getelementptr inbounds float, ptr [[A_ADDR_03]], i64 1 |
| ; CHECK-NEXT: [[CMP:%.*]] = icmp ult ptr [[INCDEC_PTR]], [[A_END]] |
| ; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[FOR_END:%.*]] |
| ; CHECK: for.end: |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| %cmp1 = icmp ult ptr %a, %a_end |
| %b.float = inttoptr i64 %b to ptr |
| br i1 %cmp1, label %bb1, label %bb2 |
| |
| bb1: |
| br label %for.body.preheader |
| bb2: |
| %bfi = ptrtoint ptr %bf to i64 |
| br label %for.body.preheader |
| |
| for.body.preheader: ; preds = %entry |
| %b.phi = phi i64 [%b, %bb1], [%bfi, %bb2] |
| switch i64 %b, label %for.body [ |
| i64 1, label %for.body |
| ] |
| |
| for.body: ; preds = %for.body.preheader, %for.body |
| %a.addr.03 = phi ptr [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ], [%a, %for.body.preheader] |
| %b.addr.float = phi ptr [ %b.addr.float.inc, %for.body ], [ %b.float, %for.body.preheader ], [%b.float, %for.body.preheader] |
| %b.addr.i64 = phi i64 [ %b.addr.i64.inc, %for.body ], [ %b.phi, %for.body.preheader ], [ %b.phi, %for.body.preheader] |
| %l = load float, ptr %b.addr.float, align 4 |
| %mul.i = fmul float %l, 4.200000e+01 |
| store float %mul.i, ptr %a.addr.03, align 4 |
| %b.addr.float.2 = inttoptr i64 %b.addr.i64 to ptr |
| %b.addr.float.inc = getelementptr inbounds float, ptr %b.addr.float.2, i64 1 |
| %b.addr.i64.inc = ptrtoint ptr %b.addr.float.inc to i64 |
| %incdec.ptr = getelementptr inbounds float, ptr %a.addr.03, i64 1 |
| %cmp = icmp ult ptr %incdec.ptr, %a_end |
| br i1 %cmp, label %for.body, label %for.end |
| |
| for.end: ; preds = %for.body, %entry |
| ret void |
| } |
| |
| |
| |