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| author | Dan Gohman <gohman@apple.com> | 2010-03-09 23:46:50 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2010-03-09 23:46:50 +0000 |
| commit | 69451a09500672a49ca3614137c6aca814920f90 (patch) | |
| tree | 8d1ec3d9eb4bc3f13d26c42217c8bb7ebffef3aa /llvm/test/Analysis/ScalarEvolution/unreachable-code.ll | |
| parent | 3d72a678de75806bf79e16b9e7dbd0ca5429c3c4 (diff) | |
| download | bcm5719-llvm-69451a09500672a49ca3614137c6aca814920f90.tar.gz bcm5719-llvm-69451a09500672a49ca3614137c6aca814920f90.zip | |
Avoid analyzing instructions in blocks not reachable from the entry block.
They are lots of trouble, and they don't matter. This fixes PR6559.
llvm-svn: 98103
Diffstat (limited to 'llvm/test/Analysis/ScalarEvolution/unreachable-code.ll')
| -rw-r--r-- | llvm/test/Analysis/ScalarEvolution/unreachable-code.ll | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/llvm/test/Analysis/ScalarEvolution/unreachable-code.ll b/llvm/test/Analysis/ScalarEvolution/unreachable-code.ll new file mode 100644 index 00000000000..51d93981800 --- /dev/null +++ b/llvm/test/Analysis/ScalarEvolution/unreachable-code.ll @@ -0,0 +1,13 @@ +; RUN: opt < %s -analyze -scalar-evolution | FileCheck %s + +; CHECK: %t = add i64 %t, 1 +; CHECK: --> %t + +define void @foo() { +entry: + ret void + +dead: + %t = add i64 %t, 1 + ret void +} |
