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| author | David Peixotto <dpeixott@codeaurora.org> | 2013-02-13 19:21:47 +0000 |
|---|---|---|
| committer | David Peixotto <dpeixott@codeaurora.org> | 2013-02-13 19:21:47 +0000 |
| commit | af7c042af1f0f890be38e0d484ab1e7751565c7b (patch) | |
| tree | b48f6df79d69827d21d3144f48feff547aab70b2 /test/CodeGen/ARM/2013-01-21-PR14992.ll | |
| parent | abde6755f93cbfa7ad06c71f7e535b0b36f6f532 (diff) | |
PR14992 - Tablegen incorrectly converts ARM tLDMIA_UPD pseudo to tLDMIA
Fixed bug in tablegen conversion when source pseudo instruction has
a different number of arguments than the destination instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175066 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/ARM/2013-01-21-PR14992.ll')
| -rw-r--r-- | test/CodeGen/ARM/2013-01-21-PR14992.ll | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/2013-01-21-PR14992.ll b/test/CodeGen/ARM/2013-01-21-PR14992.ll new file mode 100644 index 00000000000..38b9e0e8f08 --- /dev/null +++ b/test/CodeGen/ARM/2013-01-21-PR14992.ll @@ -0,0 +1,28 @@ +;PR14492 - Tablegen incorrectly converts ARM tLDMIA_UPD pseudo to tLDMIA +;RUN: llc -mtriple=thumbv7 < %s | FileCheck -check-prefix=EXPECTED %s +;RUN: llc -mtriple=thumbv7 < %s | FileCheck %s + +;EXPECTED: foo: +;CHECK: foo: +define i32 @foo(i32* %a) nounwind optsize { +entry: + %0 = load i32* %a, align 4, !tbaa !0 + %arrayidx1 = getelementptr inbounds i32* %a, i32 1 + %1 = load i32* %arrayidx1, align 4, !tbaa !0 + %arrayidx2 = getelementptr inbounds i32* %a, i32 2 + %2 = load i32* %arrayidx2, align 4, !tbaa !0 + %add.ptr = getelementptr inbounds i32* %a, i32 3 +;Make sure we do not have a duplicated register in the front of the reg list +;EXPECTED: ldm [[BASE:r[0-9]+]]!, {[[REG:r[0-9]+]], {{r[0-9]+}}, +;CHECK-NOT: ldm [[BASE:r[0-9]+]]!, {[[REG:r[0-9]+]], [[REG]], + tail call void @bar(i32* %add.ptr) nounwind optsize + %add = add nsw i32 %1, %0 + %add3 = add nsw i32 %add, %2 + ret i32 %add3 +} + +declare void @bar(i32*) optsize + +!0 = metadata !{metadata !"int", metadata !1} +!1 = metadata !{metadata !"omnipotent char", metadata !2} +!2 = metadata !{metadata !"Simple C/C++ TBAA"} |