1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt < %s -instcombine -S | FileCheck %s
4 define void @test(float* %a, float* readnone %a_end, i64 %b) unnamed_addr {
7 ; CHECK-NEXT: [[CMP1:%.*]] = icmp ult float* [[A:%.*]], [[A_END:%.*]]
8 ; CHECK-NEXT: br i1 [[CMP1]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_END:%.*]]
9 ; CHECK: for.body.preheader:
10 ; CHECK-NEXT: [[B_FLOAT:%.*]] = inttoptr i64 [[B:%.*]] to float*
11 ; CHECK-NEXT: br label [[FOR_BODY:%.*]]
13 ; CHECK-NEXT: [[A_ADDR_03:%.*]] = phi float* [ [[INCDEC_PTR:%.*]], [[FOR_BODY]] ], [ [[A]], [[FOR_BODY_PREHEADER]] ]
14 ; CHECK-NEXT: [[B_ADDR_FLOAT:%.*]] = phi float* [ [[B_ADDR_FLOAT_INC:%.*]], [[FOR_BODY]] ], [ [[B_FLOAT]], [[FOR_BODY_PREHEADER]] ]
15 ; CHECK-NEXT: [[L:%.*]] = load float, float* [[B_ADDR_FLOAT]], align 4
16 ; CHECK-NEXT: [[MUL_I:%.*]] = fmul float [[L]], 4.200000e+01
17 ; CHECK-NEXT: store float [[MUL_I]], float* [[A_ADDR_03]], align 4
18 ; CHECK-NEXT: [[B_ADDR_FLOAT_INC]] = getelementptr inbounds float, float* [[B_ADDR_FLOAT]], i64 1
19 ; CHECK-NEXT: [[INCDEC_PTR]] = getelementptr inbounds float, float* [[A_ADDR_03]], i64 1
20 ; CHECK-NEXT: [[CMP:%.*]] = icmp ult float* [[INCDEC_PTR]], [[A_END]]
21 ; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[FOR_END]]
23 ; CHECK-NEXT: ret void
26 %cmp1 = icmp ult float* %a, %a_end
27 br i1 %cmp1, label %for.body.preheader, label %for.end
29 for.body.preheader: ; preds = %entry
30 %b.float = inttoptr i64 %b to float*
33 for.body: ; preds = %for.body.preheader, %for.body
34 %a.addr.03 = phi float* [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ]
35 %b.addr.float = phi float* [ %b.addr.float.inc, %for.body ], [ %b.float, %for.body.preheader ]
36 %b.addr.i64 = phi i64 [ %b.addr.i64.inc, %for.body ], [ %b, %for.body.preheader ]
37 %l = load float, float* %b.addr.float, align 4
38 %mul.i = fmul float %l, 4.200000e+01
39 store float %mul.i, float* %a.addr.03, align 4
40 %b.addr.float.2 = inttoptr i64 %b.addr.i64 to float*
41 %b.addr.float.inc = getelementptr inbounds float, float* %b.addr.float.2, i64 1
42 %b.addr.i64.inc = ptrtoint float* %b.addr.float.inc to i64
43 %incdec.ptr = getelementptr inbounds float, float* %a.addr.03, i64 1
44 %cmp = icmp ult float* %incdec.ptr, %a_end
45 br i1 %cmp, label %for.body, label %for.end
47 for.end: ; preds = %for.body, %entry