1 ; RUN: opt < %s -passes=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 ; <ptr> [#uses=2]
11 %p2_addr = alloca %struct.point ; <ptr> [#uses=2]
12 %p3_addr = alloca %struct.point ; <ptr> [#uses=2]
13 %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
14 %tmp.upgrd.1 = getelementptr { i64 }, ptr %p1_addr, i64 0, i32 0 ; <ptr> [#uses=1]
15 store i64 %p1.0, ptr %tmp.upgrd.1
16 %tmp2 = getelementptr { i64 }, ptr %p2_addr, i64 0, i32 0 ; <ptr> [#uses=1]
17 store i64 %p2.0, ptr %tmp2
18 %tmp4 = getelementptr { i64 }, ptr %p3_addr, i64 0, i32 0 ; <ptr> [#uses=1]
19 store i64 %p3.0, ptr %tmp4
20 %tmp.upgrd.2 = icmp eq i32 %direction, 0 ; <i1> [#uses=1]
21 %tmp6 = getelementptr { i64 }, ptr %p1_addr, i64 0, i32 0 ; <ptr> [#uses=1]
22 %tmp.upgrd.3 = load i64, ptr %tmp6 ; <i64> [#uses=1]
23 %tmp8 = getelementptr { i64 }, ptr %p2_addr, i64 0, i32 0 ; <ptr> [#uses=1]
24 %tmp9 = load i64, ptr %tmp8 ; <i64> [#uses=1]
25 %tmp11 = getelementptr { i64 }, ptr %p3_addr, i64 0, i32 0 ; <ptr> [#uses=1]
26 %tmp12 = load i64, ptr %tmp11 ; <i64> [#uses=1]
27 %tmp13 = call i32 @determinant( i64 %tmp.upgrd.3, i64 %tmp9, i64 %tmp12 ) ; <i32> [#uses=2]
28 br i1 %tmp.upgrd.2, label %cond_true, label %cond_false
30 cond_true: ; preds = %entry
31 %tmp14 = icmp slt i32 %tmp13, 0 ; <i1> [#uses=1]
32 %tmp14.upgrd.4 = zext i1 %tmp14 to i32 ; <i32> [#uses=1]
35 cond_false: ; preds = %entry
36 %tmp26 = icmp sgt i32 %tmp13, 0 ; <i1> [#uses=1]
37 %tmp26.upgrd.5 = zext i1 %tmp26 to i32 ; <i32> [#uses=1]
40 return: ; preds = %cond_false, %cond_true
41 %retval.0 = phi i32 [ %tmp14.upgrd.4, %cond_true ], [ %tmp26.upgrd.5, %cond_false ] ; <i32> [#uses=1]
45 declare i32 @determinant(i64, i64, i64)