llvm-6502/test/Analysis/ScalarEvolution/sext-iv-2.ll
Dan Gohman f2f6ce65b7 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81537 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-11 18:01:28 +00:00

75 lines
2.2 KiB
LLVM

; RUN: opt < %s -analyze -scalar-evolution -disable-output | FileCheck %s
; CHECK: %tmp3 = sext i8 %tmp2 to i32
; CHECK: --> (sext i8 {0,+,1}<bb1> to i32) Exits: -1
; CHECK: %tmp4 = mul i32 %tmp3, %i.02
; CHECK: --> ((sext i8 {0,+,1}<bb1> to i32) * {0,+,1}<bb>) Exits: {0,+,-1}<bb>
; These sexts are not foldable.
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64"
@table = common global [32 x [256 x i32]] zeroinitializer, align 32 ; <[32 x [256 x i32]]*> [#uses=2]
define i32 @main() nounwind {
entry:
br i1 false, label %bb5, label %bb.nph3
bb.nph3: ; preds = %entry
br label %bb
bb: ; preds = %bb4, %bb.nph3
%i.02 = phi i32 [ %tmp10, %bb4 ], [ 0, %bb.nph3 ] ; <i32> [#uses=3]
br i1 false, label %bb3, label %bb.nph
bb.nph: ; preds = %bb
br label %bb1
bb1: ; preds = %bb2, %bb.nph
%j.01 = phi i32 [ %tmp8, %bb2 ], [ 0, %bb.nph ] ; <i32> [#uses=3]
%tmp2 = trunc i32 %j.01 to i8 ; <i8> [#uses=1]
%tmp3 = sext i8 %tmp2 to i32 ; <i32> [#uses=1]
%tmp4 = mul i32 %tmp3, %i.02 ; <i32> [#uses=1]
%tmp5 = sext i32 %i.02 to i64 ; <i64> [#uses=1]
%tmp6 = sext i32 %j.01 to i64 ; <i64> [#uses=1]
%tmp7 = getelementptr [32 x [256 x i32]]* @table, i64 0, i64 %tmp5, i64 %tmp6 ; <i32*> [#uses=1]
store i32 %tmp4, i32* %tmp7, align 4
%tmp8 = add i32 %j.01, 1 ; <i32> [#uses=2]
br label %bb2
bb2: ; preds = %bb1
%phitmp1 = icmp sgt i32 %tmp8, 255 ; <i1> [#uses=1]
br i1 %phitmp1, label %bb2.bb3_crit_edge, label %bb1
bb2.bb3_crit_edge: ; preds = %bb2
br label %bb3
bb3: ; preds = %bb2.bb3_crit_edge, %bb
%tmp10 = add i32 %i.02, 1 ; <i32> [#uses=2]
br label %bb4
bb4: ; preds = %bb3
%phitmp = icmp sgt i32 %tmp10, 31 ; <i1> [#uses=1]
br i1 %phitmp, label %bb4.bb5_crit_edge, label %bb
bb4.bb5_crit_edge: ; preds = %bb4
br label %bb5
bb5: ; preds = %bb4.bb5_crit_edge, %entry
%tmp12 = load i32* getelementptr ([32 x [256 x i32]]* @table, i64 0, i64 9, i64 132), align 16 ; <i32> [#uses=1]
%tmp13 = icmp eq i32 %tmp12, -1116 ; <i1> [#uses=1]
br i1 %tmp13, label %bb7, label %bb6
bb6: ; preds = %bb5
call void @abort() noreturn nounwind
unreachable
bb7: ; preds = %bb5
br label %return
return: ; preds = %bb7
ret i32 0
}
declare void @abort() noreturn nounwind