194 lines
7.0 KiB
LLVM
194 lines
7.0 KiB
LLVM
; RUN: opt < %s -instcombine -S | FileCheck %s
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define void @test1(float* %a, float* readnone %a_end, i64* %b.i64) {
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; CHECK-LABEL: @test1
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entry:
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%cmp1 = icmp ult float* %a, %a_end
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br i1 %cmp1, label %for.body.preheader, label %for.end
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for.body.preheader: ; preds = %entry
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%b = load i64, i64* %b.i64, align 8
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; CHECK: load float*, float**
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br label %for.body
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for.body: ; preds = %for.body, %for.body.preheader
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%a.addr.03 = phi float* [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ]
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%b.addr.02 = phi i64 [ %add.int, %for.body ], [ %b, %for.body.preheader ]
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; CHECK: %a.addr.03 = phi float* [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ]
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; CHECK: %b.addr.02.ptr = phi float* [ %add, %for.body ],
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; CHECK-NOT: %b.addr.02 = phi i64
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%tmp = inttoptr i64 %b.addr.02 to float*
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; CHECK-NOT: inttoptr i64
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%tmp1 = load float, float* %tmp, align 4
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; CHECK: = load
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%mul.i = fmul float %tmp1, 4.200000e+01
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store float %mul.i, float* %a.addr.03, align 4
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%add = getelementptr inbounds float, float* %tmp, i64 1
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%add.int = ptrtoint float* %add to i64
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; CHECK: %add = getelementptr
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; CHECK-NOT: ptrtoint float*
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%incdec.ptr = getelementptr inbounds float, float* %a.addr.03, i64 1
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; CHECK: %incdec.ptr =
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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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define void @test1_neg(float* %a, float* readnone %a_end, i64* %b.i64) {
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; CHECK-LABEL: @test1_neg
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entry:
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%cmp1 = icmp ult float* %a, %a_end
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br i1 %cmp1, label %for.body.preheader, label %for.end
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for.body.preheader: ; preds = %entry
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%b = load i64, i64* %b.i64, align 8
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br label %for.body
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for.body: ; preds = %for.body, %for.body.preheader
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%a.addr.03 = phi float* [ %incdec.ptr, %bb ], [ %a, %for.body.preheader ]
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%b.addr.02 = phi i64 [ %add.int, %bb ], [ %b, %for.body.preheader ]
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; CHECK: %a.addr.03 = phi float* [ %incdec.ptr, %bb ], [ %a, %for.body.preheader ]
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; CHECK: %b.addr.02 = phi i64
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%tmp = inttoptr i64 %b.addr.02 to float*
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; CHECK: inttoptr i64
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%ptrcmp = icmp ult float* %tmp, %a_end
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br i1 %ptrcmp, label %for.end, label %bb
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bb:
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%tmp1 = load float, float* %a, align 4
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%mul.i = fmul float %tmp1, 4.200000e+01
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store float %mul.i, float* %a.addr.03, align 4
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%add = getelementptr inbounds float, float* %a, i64 1
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%add.int = ptrtoint float* %add to i64
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; CHECK: ptrtoint float*
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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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define void @test2(float* %a, float* readnone %a_end, float** %b.float) {
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; CHECK-LABEL: @test2
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entry:
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%cmp1 = icmp ult float* %a, %a_end
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br i1 %cmp1, label %for.body.preheader, label %for.end
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for.body.preheader: ; preds = %entry
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%b.i64 = bitcast float** %b.float to i64*
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%b = load i64, i64* %b.i64, align 8
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; CHECK: load float*, float**
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br label %for.body
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for.body: ; preds = %for.body, %for.body.preheader
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%a.addr.03 = phi float* [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ]
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%b.addr.02 = phi i64 [ %add.int, %for.body ], [ %b, %for.body.preheader ]
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; CHECK: %a.addr.03 = phi float* [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ]
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; CHECK: %b.addr.02.ptr = phi float* [ %add, %for.body ],
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; CHECK-NOT: %b.addr.02 = phi i64
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%tmp = inttoptr i64 %b.addr.02 to float*
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; CHECK-NOT: inttoptr i64
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%tmp1 = load float, float* %tmp, align 4
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; CHECK: = load
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%mul.i = fmul float %tmp1, 4.200000e+01
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store float %mul.i, float* %a.addr.03, align 4
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%add = getelementptr inbounds float, float* %tmp, i64 1
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; CHECK: %add =
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%add.int = ptrtoint float* %add to i64
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; CHECK-NOT: ptrtoint float*
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%incdec.ptr = getelementptr inbounds float, float* %a.addr.03, i64 1
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; CHECK: %incdec.ptr =
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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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define void @test3(float* %a, float* readnone %a_end, i8** %b.i8p) {
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; CHECK-LABEL: @test3
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entry:
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%cmp1 = icmp ult float* %a, %a_end
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br i1 %cmp1, label %for.body.preheader, label %for.end
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for.body.preheader: ; preds = %entry
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%b.i64 = bitcast i8** %b.i8p to i64*
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%b = load i64, i64* %b.i64, align 8
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; CHECK: load float*, float**
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br label %for.body
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for.body: ; preds = %for.body, %for.body.preheader
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%a.addr.03 = phi float* [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ]
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%b.addr.02 = phi i64 [ %add.int, %for.body ], [ %b, %for.body.preheader ]
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; CHECK: %a.addr.03 = phi float* [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ]
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; CHECK: %b.addr.02.ptr = phi float* [ %add, %for.body ],
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; CHECK-NOT: %b.addr.02 = phi i64
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%tmp = inttoptr i64 %b.addr.02 to float*
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; CHECK-NOT: inttoptr i64
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%tmp1 = load float, float* %tmp, align 4
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; CHECK: = load
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%mul.i = fmul float %tmp1, 4.200000e+01
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store float %mul.i, float* %a.addr.03, align 4
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%add = getelementptr inbounds float, float* %tmp, i64 1
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; CHECK: %add = getelementptr
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%add.int = ptrtoint float* %add to i64
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; CHECK-NOT: ptrtoint float*
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%incdec.ptr = getelementptr inbounds float, float* %a.addr.03, i64 1
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; CHECK: %incdec.ptr =
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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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define void @test4(float* %a, float* readnone %a_end, float** %b.float) {
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entry:
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; CHECK-LABEL: @test4
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%cmp1 = icmp ult float* %a, %a_end
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br i1 %cmp1, label %for.body.preheader, label %for.end
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for.body.preheader: ; preds = %entry
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%b.f = load float*, float** %b.float, align 8
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%b = ptrtoint float* %b.f to i64
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; CHECK: load float*, float**
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; CHECK-NOT: ptrtoint float*
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br label %for.body
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; CHECK: br label %for.body
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for.body: ; preds = %for.body, %for.body.preheader
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%a.addr.03 = phi float* [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ]
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%b.addr.02 = phi i64 [ %add.int, %for.body ], [ %b, %for.body.preheader ]
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%tmp = inttoptr i64 %b.addr.02 to float*
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; CHECK-NOT: inttoptr i64
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%tmp1 = load float, float* %tmp, align 4
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; CHECK: = load
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%mul.i = fmul float %tmp1, 4.200000e+01
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store float %mul.i, float* %a.addr.03, align 4
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%add = getelementptr inbounds float, float* %tmp, i64 1
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; CHECK: %add =
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%add.int = ptrtoint float* %add to i64
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; CHECK-NOT: ptrtoint float*
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%incdec.ptr = getelementptr inbounds float, float* %a.addr.03, i64 1
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; CHECK: %incdec.ptr =
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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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