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gerrit-public.fairphone.software / toolchain / llvm-project / cfd8b19ef734792f09cebe41f49d2d1de05bed08 / . / llvm / test / Transforms / InstCombine / 2006-12-08-Select-ICmp.ll
blob: cc36d64dfa1a3b8afd4fb853952360245d05beaa [file] [log] [blame]
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]1; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep select
Reid Spencerede8c3b2007-04-15 07:38:21 +0000[diff] [blame]2
Reid Spencer0606d152006-12-09 05:13:01 +0000[diff] [blame]3target datalayout = "e-p:32:32"
Reid Spencer0606d152006-12-09 05:13:01 +0000[diff] [blame]4target triple = "i686-pc-linux-gnu"
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]5 %struct.point = type { i32, i32 }
Reid Spencer0606d152006-12-09 05:13:01 +0000[diff] [blame]6
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]7define i32 @visible(i32 %direction, i64 %p1.0, i64 %p2.0, i64 %p3.0) {
Reid Spencer0606d152006-12-09 05:13:01 +0000[diff] [blame]8entry:
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]9 %p1_addr = alloca %struct.point ; <%struct.point*> [#uses=2]
10 %p2_addr = alloca %struct.point ; <%struct.point*> [#uses=2]
11 %p3_addr = alloca %struct.point ; <%struct.point*> [#uses=2]
12 %tmp = bitcast %struct.point* %p1_addr to { i64 }* ; <{ i64 }*> [#uses=1]
13 %tmp.upgrd.1 = getelementptr { i64 }* %tmp, i32 0, i32 0 ; <i64*> [#uses=1]
14 store i64 %p1.0, i64* %tmp.upgrd.1
15 %tmp1 = bitcast %struct.point* %p2_addr to { i64 }* ; <{ i64 }*> [#uses=1]
16 %tmp2 = getelementptr { i64 }* %tmp1, i32 0, i32 0 ; <i64*> [#uses=1]
17 store i64 %p2.0, i64* %tmp2
18 %tmp3 = bitcast %struct.point* %p3_addr to { i64 }* ; <{ i64 }*> [#uses=1]
19 %tmp4 = getelementptr { i64 }* %tmp3, i32 0, i32 0 ; <i64*> [#uses=1]
20 store i64 %p3.0, i64* %tmp4
21 %tmp.upgrd.2 = icmp eq i32 %direction, 0 ; <i1> [#uses=1]
22 %tmp5 = bitcast %struct.point* %p1_addr to { i64 }* ; <{ i64 }*> [#uses=1]
23 %tmp6 = getelementptr { i64 }* %tmp5, i32 0, i32 0 ; <i64*> [#uses=1]
24 %tmp.upgrd.3 = load i64* %tmp6 ; <i64> [#uses=1]
25 %tmp7 = bitcast %struct.point* %p2_addr to { i64 }* ; <{ i64 }*> [#uses=1]
26 %tmp8 = getelementptr { i64 }* %tmp7, i32 0, i32 0 ; <i64*> [#uses=1]
27 %tmp9 = load i64* %tmp8 ; <i64> [#uses=1]
28 %tmp10 = bitcast %struct.point* %p3_addr to { i64 }* ; <{ i64 }*> [#uses=1]
29 %tmp11 = getelementptr { i64 }* %tmp10, i32 0, i32 0 ; <i64*> [#uses=1]
30 %tmp12 = load i64* %tmp11 ; <i64> [#uses=1]
31 %tmp13 = call i32 @determinant( i64 %tmp.upgrd.3, i64 %tmp9, i64 %tmp12 ) ; <i32> [#uses=2]
32 %tmp14 = icmp slt i32 %tmp13, 0 ; <i1> [#uses=1]
33 %tmp26 = icmp sgt i32 %tmp13, 0 ; <i1> [#uses=1]
34 %retval.0.in = select i1 %tmp.upgrd.2, i1 %tmp14, i1 %tmp26 ; <i1> [#uses=1]
35 %retval.0 = zext i1 %retval.0.in to i32 ; <i32> [#uses=1]
36 ret i32 %retval.0
Reid Spencer0606d152006-12-09 05:13:01 +0000[diff] [blame]37}
38
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]39declare i32 @determinant(i64, i64, i64)
40