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Migrate _chk call lowering from SimplifyLibCalls to InstCombine. Stub

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out the remainder of the calls that we should lower in some way and
move the tests to the new correct directory. Fix up tests that are now
optimized more than they were before by -instcombine.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97875 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher
2010-03-06 10:50:38 +00:00
parent 44f1680cdf
commit 27ceaa13f8
6 changed files with 132 additions and 140 deletions
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4
test/Transforms/InstCombine/objsize.ll
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@@ -91,7 +91,7 @@ bb11:
%1 = bitcast float* %0 to i8* ; <i8*> [#uses=1]
%2 = call i32 @llvm.objectsize.i32(i8* %1, i1 false) ; <i32> [#uses=1]
%3 = call i8* @__memcpy_chk(i8* undef, i8* undef, i32 512, i32 %2) nounwind ; <i8*> [#uses=0]
; CHECK: @__memcpy_chk
; CHECK: unreachable
unreachable
bb12:
@@ -113,7 +113,7 @@ entry:
%1 = bitcast %struct.data* %0 to i8*
%2 = call i64 @llvm.objectsize.i64(i8* %1, i1 false) nounwind
; CHECK-NOT: @llvm.objectsize
; CHECK: @__memset_chk(i8* %1, i32 0, i64 1824, i64 1824)
; CHECK: @llvm.memset.i64(i8* %1, i8 0, i64 1824, i32 8)
%3 = call i8* @__memset_chk(i8* %1, i32 0, i64 1824, i64 %2) nounwind
ret i32 0
}