42 lines
2.4 KiB
LLVM
42 lines
2.4 KiB
LLVM
; RUN: opt < %s -instcombine -S | grep select
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; END.
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target datalayout = "e-p:32:32"
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target triple = "i686-pc-linux-gnu"
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%struct.point = type { i32, i32 }
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define i32 @visible(i32 %direction, i64 %p1.0, i64 %p2.0, i64 %p3.0) {
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entry:
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%p1_addr = alloca %struct.point ; <%struct.point*> [#uses=2]
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%p2_addr = alloca %struct.point ; <%struct.point*> [#uses=2]
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%p3_addr = alloca %struct.point ; <%struct.point*> [#uses=2]
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%tmp = bitcast %struct.point* %p1_addr to { i64 }* ; <{ i64 }*> [#uses=1]
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%tmp.upgrd.1 = getelementptr { i64 }* %tmp, i32 0, i32 0 ; <i64*> [#uses=1]
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store i64 %p1.0, i64* %tmp.upgrd.1
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%tmp1 = bitcast %struct.point* %p2_addr to { i64 }* ; <{ i64 }*> [#uses=1]
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%tmp2 = getelementptr { i64 }* %tmp1, i32 0, i32 0 ; <i64*> [#uses=1]
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store i64 %p2.0, i64* %tmp2
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%tmp3 = bitcast %struct.point* %p3_addr to { i64 }* ; <{ i64 }*> [#uses=1]
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%tmp4 = getelementptr { i64 }* %tmp3, i32 0, i32 0 ; <i64*> [#uses=1]
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store i64 %p3.0, i64* %tmp4
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%tmp.upgrd.2 = icmp eq i32 %direction, 0 ; <i1> [#uses=1]
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%tmp5 = bitcast %struct.point* %p1_addr to { i64 }* ; <{ i64 }*> [#uses=1]
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%tmp6 = getelementptr { i64 }* %tmp5, i32 0, i32 0 ; <i64*> [#uses=1]
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%tmp.upgrd.3 = load i64* %tmp6 ; <i64> [#uses=1]
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%tmp7 = bitcast %struct.point* %p2_addr to { i64 }* ; <{ i64 }*> [#uses=1]
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%tmp8 = getelementptr { i64 }* %tmp7, i32 0, i32 0 ; <i64*> [#uses=1]
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%tmp9 = load i64* %tmp8 ; <i64> [#uses=1]
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%tmp10 = bitcast %struct.point* %p3_addr to { i64 }* ; <{ i64 }*> [#uses=1]
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%tmp11 = getelementptr { i64 }* %tmp10, i32 0, i32 0 ; <i64*> [#uses=1]
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%tmp12 = load i64* %tmp11 ; <i64> [#uses=1]
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%tmp13 = call i32 @determinant( i64 %tmp.upgrd.3, i64 %tmp9, i64 %tmp12 ) ; <i32> [#uses=2]
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%tmp14 = icmp slt i32 %tmp13, 0 ; <i1> [#uses=1]
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%tmp26 = icmp sgt i32 %tmp13, 0 ; <i1> [#uses=1]
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%retval.0.in = select i1 %tmp.upgrd.2, i1 %tmp14, i1 %tmp26 ; <i1> [#uses=1]
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%retval.0 = zext i1 %retval.0.in to i32 ; <i32> [#uses=1]
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ret i32 %retval.0
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}
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declare i32 @determinant(i64, i64, i64)
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