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author | Juergen Ributzka <juergen@apple.com> | 2013-10-24 05:29:56 +0000 |
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committer | Juergen Ributzka <juergen@apple.com> | 2013-10-24 05:29:56 +0000 |
commit | d084153a8fd8ee058fd4c39d4f15d3f988566d95 (patch) | |
tree | 1353ec643914e9de2d02a9d9eb3d6500b1bfaabb /test | |
parent | cbbd20879e8acf35d3326a2459e17a298b5f5d15 (diff) | |
download | external_llvm-d084153a8fd8ee058fd4c39d4f15d3f988566d95.zip external_llvm-d084153a8fd8ee058fd4c39d4f15d3f988566d95.tar.gz external_llvm-d084153a8fd8ee058fd4c39d4f15d3f988566d95.tar.bz2 |
Fix a bug in LinearFunctionTestReplace that created invalid loop exit checks.
Reviewed by Andy
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193303 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
-rw-r--r-- | test/Transforms/IndVarSimplify/lftr-zext.ll | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/test/Transforms/IndVarSimplify/lftr-zext.ll b/test/Transforms/IndVarSimplify/lftr-zext.ll new file mode 100644 index 0000000..32fa61a --- /dev/null +++ b/test/Transforms/IndVarSimplify/lftr-zext.ll @@ -0,0 +1,26 @@ +; RUN: opt < %s -indvars -S | FileCheck %s +target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" +target triple = "x86_64-apple-macosx10.9.0" + +@data = common global [240 x i8] zeroinitializer, align 16 + +define void @foo(i8* %a) nounwind uwtable ssp { +; CHECK: %exitcond +; CHECK-NOT: ([240 x i8]* @data, i64 0, i64 -16) + br label %1 + +; <label>:1 ; preds = %0, %1 + %i.0 = phi i8 [ 0, %0 ], [ %5, %1 ] + %p.0 = phi i8* [ getelementptr inbounds ([240 x i8]* @data, i64 0, i64 0), %0 ], [ %4, %1 ] + %.0 = phi i8* [ %a, %0 ], [ %2, %1 ] + %2 = getelementptr inbounds i8* %.0, i64 1 + %3 = load i8* %.0, align 1 + %4 = getelementptr inbounds i8* %p.0, i64 1 + store i8 %3, i8* %p.0, align 1 + %5 = add i8 %i.0, 1 + %6 = icmp ult i8 %5, -16 + br i1 %6, label %1, label %7 + +; <label>:7 ; preds = %1 + ret void +} |