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| author | Eli Friedman <eli.friedman@gmail.com> | 2011-11-01 04:49:29 +0000 |
|---|---|---|
| committer | Eli Friedman <eli.friedman@gmail.com> | 2011-11-01 04:49:29 +0000 |
| commit | 049260d9e2f72d650d97167e1ab451384e32b014 (patch) | |
| tree | b7f75e895da2bcbcdbb30f9966486e8c1d672ce1 /test/Transforms | |
| parent | 597362a54bf4bb8de5538b4a1d97c618b18a023c (diff) | |
| download | llvm-049260d9e2f72d650d97167e1ab451384e32b014.tar.gz llvm-049260d9e2f72d650d97167e1ab451384e32b014.tar.bz2 llvm-049260d9e2f72d650d97167e1ab451384e32b014.tar.xz | |
Make sure we use the right insertion point when instcombine replaces a PHI with another instruction. (Specifically, don't insert an arbitrary instruction before a PHI.) Fixes PR11275.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143437 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms')
| -rw-r--r-- | test/Transforms/InstCombine/crash.ll | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/crash.ll b/test/Transforms/InstCombine/crash.ll index 1a657f53a6..54a77aab45 100644 --- a/test/Transforms/InstCombine/crash.ll +++ b/test/Transforms/InstCombine/crash.ll @@ -374,3 +374,28 @@ for.inc: ; preds = %for.cond return: ; No predecessors! ret void } + +; PR11275 +declare void @test18b() noreturn +declare void @test18foo(double**) +declare void @test18a() noreturn +define fastcc void @test18x(i8* %t0, i1 %b) uwtable align 2 { +entry: + br i1 %b, label %e1, label %e2 +e1: + %t2 = bitcast i8* %t0 to double** + invoke void @test18b() noreturn + to label %u unwind label %lpad +e2: + %t4 = bitcast i8* %t0 to double** + invoke void @test18a() noreturn + to label %u unwind label %lpad +lpad: + %t5 = phi double** [ %t2, %e1 ], [ %t4, %e2 ] + %lpad.nonloopexit262 = landingpad { i8*, i32 } personality i32 (...)* @__gxx_personality_v0 + cleanup + call void @test18foo(double** %t5) + unreachable +u: + unreachable +} |