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| author | Owen Anderson <resistor@mac.com> | 2008-02-25 00:40:41 +0000 |
|---|---|---|
| committer | Owen Anderson <resistor@mac.com> | 2008-02-25 00:40:41 +0000 |
| commit | 0f7ea1ab106ffb3c8e23a87c0687f85132d93ca1 (patch) | |
| tree | ab14394d9e8ef2f822a17cec1e7b5757aa7a3e11 /test/Transforms/GVN | |
| parent | 14fd63cae875b8e41c70f4408b2185abf82d1d60 (diff) | |
| download | llvm-0f7ea1ab106ffb3c8e23a87c0687f85132d93ca1.tar.gz llvm-0f7ea1ab106ffb3c8e23a87c0687f85132d93ca1.tar.bz2 llvm-0f7ea1ab106ffb3c8e23a87c0687f85132d93ca1.tar.xz | |
Fix an issue where GVN would try to use an instruction before its definition when performing return slot optimization.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47541 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/GVN')
| -rw-r--r-- | test/Transforms/GVN/2008-02-24-NonDominatedMemcpy.ll | 25 | ||||
| -rw-r--r-- | test/Transforms/GVN/memcpy.ll | 2 |
2 files changed, 26 insertions, 1 deletions
diff --git a/test/Transforms/GVN/2008-02-24-NonDominatedMemcpy.ll b/test/Transforms/GVN/2008-02-24-NonDominatedMemcpy.ll new file mode 100644 index 0000000000..54a2201d2d --- /dev/null +++ b/test/Transforms/GVN/2008-02-24-NonDominatedMemcpy.ll @@ -0,0 +1,25 @@ +; RUN: llvm-as < %s | opt -gvn -dse | llvm-dis | grep {call.*memcpy} | count 1 + +target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128" +target triple = "x86_64-apple-darwin8" + %struct.ggFrame3 = type { %struct.ggPoint3, %struct.ggONB3 } + %struct.ggHMatrix3 = type { [4 x [4 x double]] } + %struct.ggONB3 = type { %struct.ggPoint3, %struct.ggPoint3, %struct.ggPoint3 } + %struct.ggPoint3 = type { [3 x double] } + %struct.ggQuaternion = type { [4 x double], i32, %struct.ggHMatrix3 } + +declare void @llvm.memcpy.i64(i8*, i8*, i64, i32) nounwind + +define void @_Z10ggCRSplineRK8ggFrame3S1_S1_S1_d(%struct.ggFrame3* noalias sret %agg.result, %struct.ggFrame3* %f0, %struct.ggFrame3* %f1, %struct.ggFrame3* %f2, %struct.ggFrame3* %f3, double %t) nounwind { +entry: + %qresult = alloca %struct.ggQuaternion ; <%struct.ggQuaternion*> [#uses=1] + %tmp = alloca %struct.ggONB3 ; <%struct.ggONB3*> [#uses=2] + call void @_ZN12ggQuaternion7getONB3Ev( %struct.ggONB3* noalias sret %tmp, %struct.ggQuaternion* %qresult ) nounwind + %tmp1.i = getelementptr %struct.ggFrame3* %agg.result, i32 0, i32 1 ; <%struct.ggONB3*> [#uses=1] + %tmp13.i = bitcast %struct.ggONB3* %tmp1.i to i8* ; <i8*> [#uses=1] + %tmp24.i = bitcast %struct.ggONB3* %tmp to i8* ; <i8*> [#uses=1] + call void @llvm.memcpy.i64( i8* %tmp13.i, i8* %tmp24.i, i64 72, i32 8 ) nounwind + ret void +} + +declare void @_ZN12ggQuaternion7getONB3Ev(%struct.ggONB3* noalias sret , %struct.ggQuaternion*) nounwind diff --git a/test/Transforms/GVN/memcpy.ll b/test/Transforms/GVN/memcpy.ll index 31e55c8b16..f24a81f50d 100644 --- a/test/Transforms/GVN/memcpy.ll +++ b/test/Transforms/GVN/memcpy.ll @@ -1,4 +1,4 @@ -; RUN: llvm-as < %s | opt -gvn -dse | llvm-dis | grep memcpy | count 2 +; RUN: llvm-as < %s | opt -gvn -dse | llvm-dis | grep {call.*memcpy} | count 1 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" target triple = "i686-apple-darwin9" |