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gerrit-public.fairphone.software / toolchain / llvm-project / bc041b82d44b51a3b7da79c38e4052e28ff8011c / . / llvm / test / Transforms / InstCombine / 2006-12-08-Select-ICmp.ll
blob: f54416d14254c49f4d266e839d3dfcae8fe512da [file] [log] [blame]
Matt Arsenault80ecd772013-08-28 23:04:41 +0000[diff] [blame]1; RUN: opt < %s -instcombine -S | FileCheck %s
2; CHECK: select
Tanya Lattneraa6f5c92008-03-09 08:16:40 +0000[diff] [blame]3; END.
Reid Spencerede8c3b2007-04-15 07:38:21 +0000[diff] [blame]4
Reid Spencer0606d152006-12-09 05:13:01 +0000[diff] [blame]5target datalayout = "e-p:32:32"
Reid Spencer0606d152006-12-09 05:13:01 +0000[diff] [blame]6target triple = "i686-pc-linux-gnu"
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]7 %struct.point = type { i32, i32 }
Reid Spencer0606d152006-12-09 05:13:01 +0000[diff] [blame]8
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]9define i32 @visible(i32 %direction, i64 %p1.0, i64 %p2.0, i64 %p3.0) {
Reid Spencer0606d152006-12-09 05:13:01 +0000[diff] [blame]10entry:
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]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]
David Blaikie79e6c742015-02-27 19:29:02 +0000[diff] [blame]15 %tmp.upgrd.1 = getelementptr { i64 }, { i64 }* %tmp, i32 0, i32 0 ; <i64*> [#uses=1]
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]16 store i64 %p1.0, i64* %tmp.upgrd.1
17 %tmp1 = bitcast %struct.point* %p2_addr to { i64 }* ; <{ i64 }*> [#uses=1]
David Blaikie79e6c742015-02-27 19:29:02 +0000[diff] [blame]18 %tmp2 = getelementptr { i64 }, { i64 }* %tmp1, i32 0, i32 0 ; <i64*> [#uses=1]
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]19 store i64 %p2.0, i64* %tmp2
20 %tmp3 = bitcast %struct.point* %p3_addr to { i64 }* ; <{ i64 }*> [#uses=1]
David Blaikie79e6c742015-02-27 19:29:02 +0000[diff] [blame]21 %tmp4 = getelementptr { i64 }, { i64 }* %tmp3, i32 0, i32 0 ; <i64*> [#uses=1]
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]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]
David Blaikie79e6c742015-02-27 19:29:02 +0000[diff] [blame]25 %tmp6 = getelementptr { i64 }, { i64 }* %tmp5, i32 0, i32 0 ; <i64*> [#uses=1]
David Blaikiea79ac142015-02-27 21:17:42 +0000[diff] [blame]26 %tmp.upgrd.3 = load i64, i64* %tmp6 ; <i64> [#uses=1]
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]27 %tmp7 = bitcast %struct.point* %p2_addr to { i64 }* ; <{ i64 }*> [#uses=1]
David Blaikie79e6c742015-02-27 19:29:02 +0000[diff] [blame]28 %tmp8 = getelementptr { i64 }, { i64 }* %tmp7, i32 0, i32 0 ; <i64*> [#uses=1]
David Blaikiea79ac142015-02-27 21:17:42 +0000[diff] [blame]29 %tmp9 = load i64, i64* %tmp8 ; <i64> [#uses=1]
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]30 %tmp10 = bitcast %struct.point* %p3_addr to { i64 }* ; <{ i64 }*> [#uses=1]
David Blaikie79e6c742015-02-27 19:29:02 +0000[diff] [blame]31 %tmp11 = getelementptr { i64 }, { i64 }* %tmp10, i32 0, i32 0 ; <i64*> [#uses=1]
David Blaikiea79ac142015-02-27 21:17:42 +0000[diff] [blame]32 %tmp12 = load i64, i64* %tmp11 ; <i64> [#uses=1]
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]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
Reid Spencer0606d152006-12-09 05:13:01 +0000[diff] [blame]39}
40
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]41declare i32 @determinant(i64, i64, i64)
42