| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2 |
| ; RUN: opt < %s -passes=instcombine -S | FileCheck %s |
| |
| define void @test1(ptr %a, ptr readnone %a_end, ptr %b.i) { |
| ; CHECK-LABEL: define void @test1 |
| ; CHECK-SAME: (ptr [[A:%.*]], ptr readnone [[A_END:%.*]], ptr [[B_I:%.*]]) { |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp ult ptr [[A]], [[A_END]] |
| ; CHECK-NEXT: br i1 [[CMP1]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_END:%.*]] |
| ; CHECK: for.body.preheader: |
| ; CHECK-NEXT: br label [[FOR_BODY:%.*]] |
| ; CHECK: for.body: |
| ; CHECK-NEXT: [[A_ADDR_03:%.*]] = phi ptr [ [[INCDEC_PTR:%.*]], [[FOR_BODY]] ], [ [[A]], [[FOR_BODY_PREHEADER]] ] |
| ; CHECK-NEXT: [[B_ADDR_02_IN:%.*]] = phi ptr [ [[ADD:%.*]], [[FOR_BODY]] ], [ [[B_I]], [[FOR_BODY_PREHEADER]] ] |
| ; CHECK-NEXT: [[TMP1:%.*]] = load float, ptr [[B_ADDR_02_IN]], align 4 |
| ; CHECK-NEXT: [[MUL_I:%.*]] = fmul float [[TMP1]], 4.200000e+01 |
| ; CHECK-NEXT: store float [[MUL_I]], ptr [[A_ADDR_03]], align 4 |
| ; CHECK-NEXT: [[ADD]] = getelementptr inbounds float, ptr [[B_ADDR_02_IN]], 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 |
| br i1 %cmp1, label %for.body.preheader, label %for.end |
| |
| for.body.preheader: ; preds = %entry |
| %b = ptrtoint ptr %b.i to i64 |
| br label %for.body |
| |
| for.body: ; preds = %for.body, %for.body.preheader |
| %a.addr.03 = phi ptr [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ] |
| %b.addr.02 = phi i64 [ %add.int, %for.body ], [ %b, %for.body.preheader ] |
| %tmp = inttoptr i64 %b.addr.02 to ptr |
| %tmp1 = load float, ptr %tmp, align 4 |
| %mul.i = fmul float %tmp1, 4.200000e+01 |
| store float %mul.i, ptr %a.addr.03, align 4 |
| %add = getelementptr inbounds float, ptr %tmp, i64 1 |
| %add.int = ptrtoint ptr %add 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 |
| } |
| |