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| author | Chandler Carruth <chandlerc@gmail.com> | 2012-10-15 10:24:43 +0000 |
|---|---|---|
| committer | Chandler Carruth <chandlerc@gmail.com> | 2012-10-15 10:24:43 +0000 |
| commit | d2cd73f6a5103f5de221a67410e35e6bee211fa3 (patch) | |
| tree | d1bf9e30986daa6bea0e45ff6bea7282b2256f52 /test/Transforms/SROA | |
| parent | 94fc64c42fe27aa16dd5611eb3657ff0297801c8 (diff) | |
| download | external_llvm-d2cd73f6a5103f5de221a67410e35e6bee211fa3.zip external_llvm-d2cd73f6a5103f5de221a67410e35e6bee211fa3.tar.gz external_llvm-d2cd73f6a5103f5de221a67410e35e6bee211fa3.tar.bz2 | |
Update the memcpy rewriting to fully support widened int rewriting. This
includes extracting ints for copying elsewhere and inserting ints when
copying into the alloca. This should fix the CanSROA assertion coming
out of Clang's regression test suite.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165931 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/SROA')
| -rw-r--r-- | test/Transforms/SROA/basictest.ll | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/test/Transforms/SROA/basictest.ll b/test/Transforms/SROA/basictest.ll index b33ffa6..644fda1 100644 --- a/test/Transforms/SROA/basictest.ll +++ b/test/Transforms/SROA/basictest.ll @@ -1046,8 +1046,12 @@ entry: ; Or a memset of the whole thing. call void @llvm.memset.p0i8.i64(i8* %0, i8 0, i64 8, i32 1, i1 false) - ; Store to the high 32-bits... + ; Write to the high 32-bits with a memcpy. %X.sroa.0.4.raw_idx4.i = getelementptr inbounds i8* %0, i32 4 + %d.raw = bitcast double* %d to i8* + call void @llvm.memcpy.p0i8.p0i8.i32(i8* %X.sroa.0.4.raw_idx4.i, i8* %d.raw, i32 4, i32 1, i1 false) + + ; Store to the high 32-bits... %X.sroa.0.4.cast5.i = bitcast i8* %X.sroa.0.4.raw_idx4.i to i32* store i32 1072693248, i32* %X.sroa.0.4.cast5.i, align 4 |