[llvm-commits] CVS: llvm/test/Transforms/IndVarsSimplify/loop_evaluate_2.ll loop_evaluate_3.ll loop_evaluate_4.ll

[Chris Lattner]

Changes in directory llvm/test/Transforms/IndVarsSimplify:

loop_evaluate_2.ll added (r1.1)
loop_evaluate_3.ll added (r1.1)
loop_evaluate_4.ll added (r1.1)
---
Log message:

New testcases for PR1179: http://llvm.org/PR1179 /PR1232: http://llvm.org/PR1232 .


---
Diffs of the changes:  (+67 -0)

 loop_evaluate_2.ll |   28 ++++++++++++++++++++++++++++
 loop_evaluate_3.ll |   19 +++++++++++++++++++
 loop_evaluate_4.ll |   20 ++++++++++++++++++++
 3 files changed, 67 insertions(+)


Index: llvm/test/Transforms/IndVarsSimplify/loop_evaluate_2.ll
diff -c /dev/null llvm/test/Transforms/IndVarsSimplify/loop_evaluate_2.ll:1.1
*** /dev/null	Sat Mar  3 18:54:16 2007
--- llvm/test/Transforms/IndVarsSimplify/loop_evaluate_2.ll	Sat Mar  3 18:54:06 2007
***************
*** 0 ****
--- 1,28 ----
+ ; RUN: llvm-as < %s | opt -indvars -adce -simplifycfg | llvm-dis | grep select &&
+ ; RUN: llvm-as < %s | opt -indvars -adce -simplifycfg | llvm-dis | not grep br
+ ; PR1179
+ 
+ define i32 @ltst(i32 %x) {
+ entry:
+         icmp sgt i32 %x, 0              ; <i1>:0 [#uses=1]
+         br i1 %0, label %bb.preheader, label %bb8
+ 
+ bb.preheader:           ; preds = %entry
+         br label %bb
+ 
+ bb:             ; preds = %bb, %bb.preheader
+         %i.01.0 = phi i32 [ %tmp4, %bb ], [ 0, %bb.preheader ]          ; <i32> [#uses=1]
+         %j.03.0 = phi i32 [ %tmp2, %bb ], [ 0, %bb.preheader ]          ; <i32> [#uses=1]
+         %tmp4 = add i32 %i.01.0, 1              ; <i32> [#uses=2]
+         %tmp2 = add i32 %j.03.0, 1              ; <i32> [#uses=2]
+         icmp slt i32 %tmp4, %x          ; <i1>:1 [#uses=1]
+         br i1 %1, label %bb, label %bb8.loopexit
+ 
+ bb8.loopexit:           ; preds = %bb
+         br label %bb8
+ 
+ bb8:            ; preds = %bb8.loopexit, %entry
+         %j.03.1 = phi i32 [ 0, %entry ], [ %tmp2, %bb8.loopexit ]               ; <i32> [#uses=1]
+         ret i32 %j.03.1
+ }
+ 


Index: llvm/test/Transforms/IndVarsSimplify/loop_evaluate_3.ll
diff -c /dev/null llvm/test/Transforms/IndVarsSimplify/loop_evaluate_3.ll:1.1
*** /dev/null	Sat Mar  3 18:54:23 2007
--- llvm/test/Transforms/IndVarsSimplify/loop_evaluate_3.ll	Sat Mar  3 18:54:06 2007
***************
*** 0 ****
--- 1,19 ----
+ ; RUN: llvm-as < %s | opt -indvars | llvm-dis | grep 'ret i32 600000'
+ ; PR1179
+ 
+ define i32 @foo() {
+ entry:
+         br label %bb5
+ 
+ bb5:            ; preds = %bb5, %entry
+         %i.01.0 = phi i32 [ 0, %entry ], [ %tmp2, %bb5 ]                ; <i32> [#uses=1]
+         %x.03.0 = phi i32 [ 0, %entry ], [ %tmp4, %bb5 ]                ; <i32> [#uses=1]
+         %tmp2 = add i32 %i.01.0, 3              ; <i32> [#uses=2]
+         %tmp4 = add i32 %x.03.0, 1              ; <i32> [#uses=2]
+         icmp slt i32 %tmp4, 200000              ; <i1>:0 [#uses=1]
+         br i1 %0, label %bb5, label %bb7
+ 
+ bb7:            ; preds = %bb5
+         ret i32 %tmp2
+ }
+ 


Index: llvm/test/Transforms/IndVarsSimplify/loop_evaluate_4.ll
diff -c /dev/null llvm/test/Transforms/IndVarsSimplify/loop_evaluate_4.ll:1.1
*** /dev/null	Sat Mar  3 18:54:23 2007
--- llvm/test/Transforms/IndVarsSimplify/loop_evaluate_4.ll	Sat Mar  3 18:54:06 2007
***************
*** 0 ****
--- 1,20 ----
+ ; RUN: llvm-as < %s | opt -indvars | llvm-dis | grep 'ret i32 9900'
+ ; PR1179
+ 
+ define i32 @test4() {
+ entry:
+         br label %bb7
+ 
+ bb7:            ; preds = %bb7, %entry
+         %v.01.0 = phi i32 [ 0, %entry ], [ %tmp4, %bb7 ]                ; <i32> [#uses=1]
+         %i.03.0 = phi i32 [ 0, %entry ], [ %tmp6, %bb7 ]                ; <i32> [#uses=2]
+         %tmp2 = shl i32 %i.03.0, 1              ; <i32> [#uses=1]
+         %tmp4 = add i32 %tmp2, %v.01.0          ; <i32> [#uses=2]
+         %tmp6 = add i32 %i.03.0, 1              ; <i32> [#uses=2]
+         icmp slt i32 %tmp6, 100         ; <i1>:0 [#uses=1]
+         br i1 %0, label %bb7, label %bb9
+ 
+ bb9:            ; preds = %bb7
+         ret i32 %tmp4
+ }
+