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| author | Chris Lattner <sabre@nondot.org> | 2011-02-18 05:05:01 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2011-02-18 05:05:01 +0000 |
| commit | 67982da351c93358080c79733630c59b55891d39 (patch) | |
| tree | caa82adb080eef18982d751e35606ff2d70e6424 /test/Transforms/LoopUnroll/basic.ll | |
| parent | 1646953538d5faf7baf49e16bd0590f822c231de (diff) | |
| download | llvm-67982da351c93358080c79733630c59b55891d39.tar.gz llvm-67982da351c93358080c79733630c59b55891d39.tar.bz2 llvm-67982da351c93358080c79733630c59b55891d39.tar.xz | |
add a testcase for r125827
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125831 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/LoopUnroll/basic.ll')
| -rw-r--r-- | test/Transforms/LoopUnroll/basic.ll | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/test/Transforms/LoopUnroll/basic.ll b/test/Transforms/LoopUnroll/basic.ll new file mode 100644 index 0000000000..eeb3e9a57b --- /dev/null +++ b/test/Transforms/LoopUnroll/basic.ll @@ -0,0 +1,24 @@ +; RUN: opt < %s -loop-unroll -S | FileCheck %s + + +; This should not unroll since the address of the loop header is taken. + +; CHECK: @test1 +; CHECK: store i8* blockaddress(@test1, %l1), i8** %P +; CHECK: l1: +; CHECK-NEXT: phi i32 +; rdar://8287027 +define i32 @test1(i8** %P) nounwind ssp { +entry: + store i8* blockaddress(@test1, %l1), i8** %P + br label %l1 + +l1: ; preds = %l1, %entry + %x.0 = phi i32 [ 0, %entry ], [ %inc, %l1 ] + %inc = add nsw i32 %x.0, 1 + %exitcond = icmp eq i32 %inc, 3 + br i1 %exitcond, label %l2, label %l1 + +l2: ; preds = %l1 + ret i32 0 +} |