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