37 lines
1.9 KiB
LLVM
37 lines
1.9 KiB
LLVM
; RUN: opt < %s -passes=instcombine -S | FileCheck %s
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; CHECK: 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 ; <ptr> [#uses=2]
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%p2_addr = alloca %struct.point ; <ptr> [#uses=2]
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%p3_addr = alloca %struct.point ; <ptr> [#uses=2]
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%tmp.upgrd.1 = getelementptr { i64 }, ptr %p1_addr, i32 0, i32 0 ; <ptr> [#uses=1]
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store i64 %p1.0, ptr %tmp.upgrd.1
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%tmp2 = getelementptr { i64 }, ptr %p2_addr, i32 0, i32 0 ; <ptr> [#uses=1]
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store i64 %p2.0, ptr %tmp2
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%tmp4 = getelementptr { i64 }, ptr %p3_addr, i32 0, i32 0 ; <ptr> [#uses=1]
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store i64 %p3.0, ptr %tmp4
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%tmp.upgrd.2 = icmp eq i32 %direction, 0 ; <i1> [#uses=1]
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%tmp6 = getelementptr { i64 }, ptr %p1_addr, i32 0, i32 0 ; <ptr> [#uses=1]
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%tmp.upgrd.3 = load i64, ptr %tmp6 ; <i64> [#uses=1]
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%tmp8 = getelementptr { i64 }, ptr %p2_addr, i32 0, i32 0 ; <ptr> [#uses=1]
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%tmp9 = load i64, ptr %tmp8 ; <i64> [#uses=1]
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%tmp11 = getelementptr { i64 }, ptr %p3_addr, i32 0, i32 0 ; <ptr> [#uses=1]
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%tmp12 = load i64, ptr %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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