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| author | Chris Lattner <sabre@nondot.org> | 2010-01-03 18:33:18 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2010-01-03 18:33:18 +0000 |
| commit | d0592d3be68e60a77c0bb98ad4861648e16e467c (patch) | |
| tree | f6066465b3ef1c05235668ec8779f540654823fb /test/CodeGen/X86/x86-64-jumps.ll | |
| parent | fa5dd977e4ed16a82e1367ff9ed77c94d4054457 (diff) | |
| download | external_llvm-d0592d3be68e60a77c0bb98ad4861648e16e467c.zip external_llvm-d0592d3be68e60a77c0bb98ad4861648e16e467c.tar.gz external_llvm-d0592d3be68e60a77c0bb98ad4861648e16e467c.tar.bz2 | |
fix PR5930, allowing the asmprinter to emit difference between
two labels as a truncate.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92455 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/x86-64-jumps.ll')
| -rw-r--r-- | test/CodeGen/X86/x86-64-jumps.ll | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/test/CodeGen/X86/x86-64-jumps.ll b/test/CodeGen/X86/x86-64-jumps.ll index 5ed6a23..11b40c8 100644 --- a/test/CodeGen/X86/x86-64-jumps.ll +++ b/test/CodeGen/X86/x86-64-jumps.ll @@ -14,3 +14,32 @@ bb6: ; preds = %entry ret i8 2 } + +; PR5930 - Trunc of block address differences. +@test.array = internal constant [3 x i32] [i32 trunc (i64 sub (i64 ptrtoint (i8* blockaddress(@test2, %foo) to i64), i64 ptrtoint (i8* blockaddress(@test2, %foo) to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint (i8* blockaddress(@test2, %bar) to i64), i64 ptrtoint (i8* blockaddress(@test2, %foo) to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint (i8* blockaddress(@test2, %hack) to i64), i64 ptrtoint (i8* blockaddress(@test2, %foo) to i64)) to i32)] ; <[3 x i32]*> [#uses=1] + +define void @test2(i32 %i) nounwind ssp { +entry: + %i.addr = alloca i32 ; <i32*> [#uses=2] + store i32 %i, i32* %i.addr + %tmp = load i32* %i.addr ; <i32> [#uses=1] + %idxprom = sext i32 %tmp to i64 ; <i64> [#uses=1] + %arrayidx = getelementptr inbounds i32* getelementptr inbounds ([3 x i32]* @test.array, i32 0, i32 0), i64 %idxprom ; <i32*> [#uses=1] + %tmp1 = load i32* %arrayidx ; <i32> [#uses=1] + %idx.ext = sext i32 %tmp1 to i64 ; <i64> [#uses=1] + %add.ptr = getelementptr i8* blockaddress(@test2, %foo), i64 %idx.ext ; <i8*> [#uses=1] + br label %indirectgoto + +foo: ; preds = %indirectgoto, %indirectgoto, %indirectgoto, %indirectgoto, %indirectgoto + br label %bar + +bar: ; preds = %foo, %indirectgoto + br label %hack + +hack: ; preds = %bar, %indirectgoto + ret void + +indirectgoto: ; preds = %entry + %indirect.goto.dest = phi i8* [ %add.ptr, %entry ] ; <i8*> [#uses=1] + indirectbr i8* %indirect.goto.dest, [label %foo, label %foo, label %bar, label %foo, label %hack, label %foo, label %foo] +} |