1 ; RUN: opt < %s -instcombine -S | FileCheck %s 2 ; CHECK: select 3 ; END. 4 5 target datalayout = "e-p:32:32" 6 target triple = "i686-pc-linux-gnu" 7 %struct.point = type { i32, i32 } 8 9 define i32 @visible(i32 %direction, i64 %p1.0, i64 %p2.0, i64 %p3.0) { 10 entry: 11 %p1_addr = alloca %struct.point ; <%struct.point*> [#uses=2] 12 %p2_addr = alloca %struct.point ; <%struct.point*> [#uses=2] 13 %p3_addr = alloca %struct.point ; <%struct.point*> [#uses=2] 14 %tmp = bitcast %struct.point* %p1_addr to { i64 }* ; <{ i64 }*> [#uses=1] 15 %tmp.upgrd.1 = getelementptr { i64 }, { i64 }* %tmp, i32 0, i32 0 ; <i64*> [#uses=1] 16 store i64 %p1.0, i64* %tmp.upgrd.1 17 %tmp1 = bitcast %struct.point* %p2_addr to { i64 }* ; <{ i64 }*> [#uses=1] 18 %tmp2 = getelementptr { i64 }, { i64 }* %tmp1, i32 0, i32 0 ; <i64*> [#uses=1] 19 store i64 %p2.0, i64* %tmp2 20 %tmp3 = bitcast %struct.point* %p3_addr to { i64 }* ; <{ i64 }*> [#uses=1] 21 %tmp4 = getelementptr { i64 }, { i64 }* %tmp3, i32 0, i32 0 ; <i64*> [#uses=1] 22 store i64 %p3.0, i64* %tmp4 23 %tmp.upgrd.2 = icmp eq i32 %direction, 0 ; <i1> [#uses=1] 24 %tmp5 = bitcast %struct.point* %p1_addr to { i64 }* ; <{ i64 }*> [#uses=1] 25 %tmp6 = getelementptr { i64 }, { i64 }* %tmp5, i32 0, i32 0 ; <i64*> [#uses=1] 26 %tmp.upgrd.3 = load i64, i64* %tmp6 ; <i64> [#uses=1] 27 %tmp7 = bitcast %struct.point* %p2_addr to { i64 }* ; <{ i64 }*> [#uses=1] 28 %tmp8 = getelementptr { i64 }, { i64 }* %tmp7, i32 0, i32 0 ; <i64*> [#uses=1] 29 %tmp9 = load i64, i64* %tmp8 ; <i64> [#uses=1] 30 %tmp10 = bitcast %struct.point* %p3_addr to { i64 }* ; <{ i64 }*> [#uses=1] 31 %tmp11 = getelementptr { i64 }, { i64 }* %tmp10, i32 0, i32 0 ; <i64*> [#uses=1] 32 %tmp12 = load i64, i64* %tmp11 ; <i64> [#uses=1] 33 %tmp13 = call i32 @determinant( i64 %tmp.upgrd.3, i64 %tmp9, i64 %tmp12 ) ; <i32> [#uses=2] 34 %tmp14 = icmp slt i32 %tmp13, 0 ; <i1> [#uses=1] 35 %tmp26 = icmp sgt i32 %tmp13, 0 ; <i1> [#uses=1] 36 %retval.0.in = select i1 %tmp.upgrd.2, i1 %tmp14, i1 %tmp26 ; <i1> [#uses=1] 37 %retval.0 = zext i1 %retval.0.in to i32 ; <i32> [#uses=1] 38 ret i32 %retval.0 39 } 40 41 declare i32 @determinant(i64, i64, i64) 42 43
