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| author | Chris Lattner <sabre@nondot.org> | 2008-01-14 02:09:12 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2008-01-14 02:09:12 +0000 |
| commit | 941db495b8233a3753ce72a84021f677073ff4ea (patch) | |
| tree | d4817297cbda4183beee92b4242855fc910b6d45 /test/Transforms/GlobalOpt | |
| parent | 6a93fc01a787ae53095504f882781dbf550b23c6 (diff) | |
| download | llvm-941db495b8233a3753ce72a84021f677073ff4ea.tar.gz llvm-941db495b8233a3753ce72a84021f677073ff4ea.tar.bz2 llvm-941db495b8233a3753ce72a84021f677073ff4ea.tar.xz | |
Fix the miscompilation of MiBench/consumer-lame that was exposed by Evan's
byval work. This miscompilation is due to the program indexing an array out
of range and us doing a transformation that broke this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45949 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/GlobalOpt')
| -rw-r--r-- | test/Transforms/GlobalOpt/2008-01-13-OutOfRangeSROA.ll | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/test/Transforms/GlobalOpt/2008-01-13-OutOfRangeSROA.ll b/test/Transforms/GlobalOpt/2008-01-13-OutOfRangeSROA.ll new file mode 100644 index 0000000000..aace346549 --- /dev/null +++ b/test/Transforms/GlobalOpt/2008-01-13-OutOfRangeSROA.ll @@ -0,0 +1,16 @@ +; RUN: llvm-as < %s | opt -globalopt | llvm-dis | grep {16 x .31 x double.. zeroinitializer} + +; The 'X' indices could be larger than 31. Do not SROA the outer indices of this array. +@mm = internal global [16 x [31 x double]] zeroinitializer, align 32 + +define void @test(i32 %X) { + %P = getelementptr [16 x [31 x double]]* @mm, i32 0, i32 0, i32 %X + store double 1.0, double* %P + ret void +} + +define double @get(i32 %X) { + %P = getelementptr [16 x [31 x double]]* @mm, i32 0, i32 0, i32 %X + %V = load double* %P + ret double %V +} |