1 ; RUN: opt < %s -instcombine -S | \
4 target datalayout = "e-p:32:32"
5 target triple = "i686-pc-linux-gnu"
6 %struct.point = type { i32, i32 }
8 define i32 @visible(i32 %direction, i64 %p1.0, i64 %p2.0, i64 %p3.0) {
10 %p1_addr = alloca %struct.point ; <%struct.point*> [#uses=2]
11 %p2_addr = alloca %struct.point ; <%struct.point*> [#uses=2]
12 %p3_addr = alloca %struct.point ; <%struct.point*> [#uses=2]
13 %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
14 %tmp = bitcast %struct.point* %p1_addr to { i64 }* ; <{ i64 }*> [#uses=1]
15 %tmp.upgrd.1 = getelementptr { i64 }, { i64 }* %tmp, i64 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, i64 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, i64 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, i64 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, i64 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, i64 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 br i1 %tmp.upgrd.2, label %cond_true, label %cond_false
36 cond_true: ; preds = %entry
37 %tmp14 = icmp slt i32 %tmp13, 0 ; <i1> [#uses=1]
38 %tmp14.upgrd.4 = zext i1 %tmp14 to i32 ; <i32> [#uses=1]
41 cond_false: ; preds = %entry
42 %tmp26 = icmp sgt i32 %tmp13, 0 ; <i1> [#uses=1]
43 %tmp26.upgrd.5 = zext i1 %tmp26 to i32 ; <i32> [#uses=1]
46 return: ; preds = %cond_false, %cond_true
47 %retval.0 = phi i32 [ %tmp14.upgrd.4, %cond_true ], [ %tmp26.upgrd.5, %cond_false ] ; <i32> [#uses=1]
51 declare i32 @determinant(i64, i64, i64)