Changes in directory llvm/test/CodeGen/X86:
lsr-negative-stride.ll added (r1.1)
---
Log message:
new testcase
---
Diffs of the changes: (+37 -0)
lsr-negative-stride.ll | 37 +++++++++++++++++++++++++++++++++++++
1 files changed, 37 insertions(+)
Index: llvm/test/CodeGen/X86/lsr-negative-stride.ll
diff -c /dev/null llvm/test/CodeGen/X86/lsr-negative-stride.ll:1.1
*** /dev/null Fri May 18 20:21:49 2007
--- llvm/test/CodeGen/X86/lsr-negative-stride.ll Fri May 18 20:21:39 2007
***************
*** 0 ****
--- 1,37 ----
+ ; RUN: llvm-as < %s | llc -march=x86 | not grep neg
+ ; RUN: llvm-as < %s | llc -march=x86 | not grep sub.*esp
+ ; RUN: llvm-as < %s | llc -march=x86 | not grep esi
+
+ define i32 @t(i32 %a, i32 %b) {
+ entry:
+ %tmp1434 = icmp eq i32 %a, %b ; <i1> [#uses=1]
+ br i1 %tmp1434, label %bb17, label %bb.outer
+
+ bb.outer: ; preds = %cond_false, %entry
+ %b_addr.021.0.ph = phi i32 [ %b, %entry ], [ %tmp10, %cond_false ]
; <i32> [#uses=5]
+ %a_addr.026.0.ph = phi i32 [ %a, %entry ], [ %a_addr.026.0, %cond_false
] ; <i32> [#uses=1]
+ br label %bb
+
+ bb: ; preds = %cond_true, %bb.outer
+ %indvar = phi i32 [ 0, %bb.outer ], [ %indvar.next, %cond_true ]
; <i32> [#uses=2]
+ %tmp. = sub i32 0, %b_addr.021.0.ph ; <i32> [#uses=1]
+ %tmp.40 = mul i32 %indvar, %tmp. ; <i32> [#uses=1]
+ %a_addr.026.0 = add i32 %tmp.40, %a_addr.026.0.ph ; <i32>
[#uses=6]
+ %tmp3 = icmp sgt i32 %a_addr.026.0, %b_addr.021.0.ph ; <i1>
[#uses=1]
+ br i1 %tmp3, label %cond_true, label %cond_false
+
+ cond_true: ; preds = %bb
+ %tmp7 = sub i32 %a_addr.026.0, %b_addr.021.0.ph ; <i32>
[#uses=2]
+ %tmp1437 = icmp eq i32 %tmp7, %b_addr.021.0.ph ; <i1> [#uses=1]
+ %indvar.next = add i32 %indvar, 1 ; <i32> [#uses=1]
+ br i1 %tmp1437, label %bb17, label %bb
+
+ cond_false: ; preds = %bb
+ %tmp10 = sub i32 %b_addr.021.0.ph, %a_addr.026.0 ; <i32>
[#uses=2]
+ %tmp14 = icmp eq i32 %a_addr.026.0, %tmp10 ; <i1> [#uses=1]
+ br i1 %tmp14, label %bb17, label %bb.outer
+
+ bb17: ; preds = %cond_false, %cond_true, %entry
+ %a_addr.026.1 = phi i32 [ %a, %entry ], [ %tmp7, %cond_true ], [
%a_addr.026.0, %cond_false ] ; <i32> [#uses=1]
+ ret i32 %a_addr.026.1
+ }
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