Changes in directory llvm/test/Transforms/GVNPRE:
basic.ll added (r1.1)
dg.exp added (r1.1)
---
Log message:
Add a GVN-PRE basic regression test.
---
Diffs of the changes: (+41 -0)
basic.ll | 38 ++++++++++++++++++++++++++++++++++++++
dg.exp | 3 +++
2 files changed, 41 insertions(+)
Index: llvm/test/Transforms/GVNPRE/basic.ll
diff -c /dev/null llvm/test/Transforms/GVNPRE/basic.ll:1.1
*** /dev/null Mon Jun 11 19:49:43 2007
--- llvm/test/Transforms/GVNPRE/basic.ll Mon Jun 11 19:49:33 2007
***************
*** 0 ****
--- 1,38 ----
+ ; RUN: llvm-as | opt -gvnpre | llvm-dis | not grep {%t3 =}
+ ; RUN: llvm-as | opt -gvnpre | llvm-dis | not grep {%t9 =}
+
+ define i32 @main() {
+ block1:
+ %t1 = bitcast i32 0 to i32 ; <i32> [#uses=5]
+ br label %block2
+
+ block2: ; preds = %block6, %block1
+ %t2 = phi i32 [ %t1, %block1 ], [ %t3, %block6 ] ; <i32>
[#uses=3]
+ %t3 = add i32 %t2, 1 ; <i32> [#uses=5]
+ br i1 false, label %block3, label %block7
+
+ block3: ; preds = %block2
+ br i1 true, label %block4, label %block5
+
+ block4: ; preds = %block3
+ %t4 = add i32 %t2, %t3 ; <i32> [#uses=1]
+ %t5 = bitcast i32 %t4 to i32 ; <i32> [#uses=1]
+ %t6 = add i32 %t1, %t5 ; <i32> [#uses=0]
+ br label %block6
+
+ block5: ; preds = %block3
+ %t7 = add i32 %t3, 1 ; <i32> [#uses=1]
+ br label %block6
+
+ block6: ; preds = %block5, %block4
+ %t8 = phi i32 [ %t1, %block4 ], [ %t7, %block5 ] ; <i32>
[#uses=1]
+ %t9 = add i32 %t2, %t3 ; <i32> [#uses=2]
+ %t10 = add i32 %t9, %t8 ; <i32> [#uses=0]
+ %t11 = bitcast i32 12 to i32 ; <i32> [#uses=1]
+ %t12 = add i32 %t9, %t11 ; <i32> [#uses=1]
+ %t13 = add i32 %t12, %t3 ; <i32> [#uses=0]
+ br label %block2
+
+ block7: ; preds = %block2
+ ret i32 %t1
+ }
Index: llvm/test/Transforms/GVNPRE/dg.exp
diff -c /dev/null llvm/test/Transforms/GVNPRE/dg.exp:1.1
*** /dev/null Mon Jun 11 19:49:55 2007
--- llvm/test/Transforms/GVNPRE/dg.exp Mon Jun 11 19:49:33 2007
***************
*** 0 ****
--- 1,3 ----
+ load_lib llvm.exp
+
+ RunLLVMTests [lsort [glob -nocomplain $srcdir/$subdir/*.{ll,llx,c,cpp,tr}]]
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