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