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| author | Juergen Ributzka <juergen@apple.com> | 2014-02-08 00:20:49 +0000 |
|---|---|---|
| committer | Juergen Ributzka <juergen@apple.com> | 2014-02-08 00:20:49 +0000 |
| commit | 6f1819f2e6465d9a29b25b49a4d60864e50946f6 (patch) | |
| tree | a684277e9ce60fdf862d5b0771d1efaf1b403bea /test | |
| parent | 1368e659d7f5f5b1f87268a9a4c8265b29879320 (diff) | |
| download | llvm-6f1819f2e6465d9a29b25b49a4d60864e50946f6.tar.gz llvm-6f1819f2e6465d9a29b25b49a4d60864e50946f6.tar.bz2 llvm-6f1819f2e6465d9a29b25b49a4d60864e50946f6.tar.xz | |
[Constant Hoisting] Fix insertion point for constant materialization.
The bitcast instruction during constant materialization was not placed correcly
in the presence of phi nodes. This commit fixes the insertion point to be in the
idom instead.
This fixes PR18768
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201009 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/Transforms/ConstantHoisting/X86/phi.ll | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/Transforms/ConstantHoisting/X86/phi.ll b/test/Transforms/ConstantHoisting/X86/phi.ll index abbba81654..cc2fdda40e 100644 --- a/test/Transforms/ConstantHoisting/X86/phi.ll +++ b/test/Transforms/ConstantHoisting/X86/phi.ll @@ -46,3 +46,25 @@ return: } declare void @foo(i8*) + +; PR18768 +define i32 @test3(i1 %c) { +entry: + br i1 %c, label %if.then, label %if.end3 + +if.then: ; preds = %entry + br label %if.end3 + +if.end3: ; preds = %if.then, %entry + %d.0 = phi i32* [ inttoptr (i64 985162435264511 to i32*), %entry ], [ null, %if.then ] + %cmp4 = icmp eq i32* %d.0, inttoptr (i64 985162435264511 to i32*) + %cmp6 = icmp eq i32* %d.0, inttoptr (i64 985162418487296 to i32*) + %or = or i1 %cmp4, %cmp6 + br i1 %or, label %if.then8, label %if.end9 + +if.then8: ; preds = %if.end3 + ret i32 1 + +if.end9: ; preds = %if.then8, %if.end3 + ret i32 undef +} |