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Diffstat (limited to 'test/Transforms/InstCombine/2008-06-19-UncondLoad.ll')
-rw-r--r-- | test/Transforms/InstCombine/2008-06-19-UncondLoad.ll | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/2008-06-19-UncondLoad.ll b/test/Transforms/InstCombine/2008-06-19-UncondLoad.ll new file mode 100644 index 0000000..fa3dc0a --- /dev/null +++ b/test/Transforms/InstCombine/2008-06-19-UncondLoad.ll @@ -0,0 +1,16 @@ +; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep load | count 3 +; PR2471 + +declare i32 @x(i32*) +define i32 @b(i32* %a, i32* %b) { +entry: + %tmp1 = load i32* %a + %tmp3 = load i32* %b + %add = add i32 %tmp1, %tmp3 + %call = call i32 @x( i32* %a ) + %tobool = icmp ne i32 %add, 0 + ; not safe to turn into an uncond load + %cond = select i1 %tobool, i32* %b, i32* %a + %tmp8 = load i32* %cond + ret i32 %tmp8 +} |