[llvm-commits] CVS: llvm/test/Regression/Transforms/TailDup/if-tail-dup.ll
Chris Lattner
lattner at cs.uiuc.edu
Thu Sep 7 14:29:46 PDT 2006
Changes in directory llvm/test/Regression/Transforms/TailDup:
if-tail-dup.ll added (r1.1)
---
Log message:
new testcase
---
Diffs of the changes: (+57 -0)
if-tail-dup.ll | 57 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 57 insertions(+)
Index: llvm/test/Regression/Transforms/TailDup/if-tail-dup.ll
diff -c /dev/null llvm/test/Regression/Transforms/TailDup/if-tail-dup.ll:1.1
*** /dev/null Thu Sep 7 16:29:42 2006
--- llvm/test/Regression/Transforms/TailDup/if-tail-dup.ll Thu Sep 7 16:29:32 2006
***************
*** 0 ****
--- 1,57 ----
+ ; RUN: llvm-as < %s | opt -tailduplicate | llc -march=x86 | grep 'je ' &&
+ ; RUN: llvm-as < %s | opt -tailduplicate | llc -march=x86 | not grep jmp
+ ; This should have no unconditional jumps in it. The C source is:
+
+ ;void foo(int c, int* P) {
+ ; if (c & 1) P[0] = 1;
+ ; if (c & 2) P[1] = 1;
+ ; if (c & 4) P[2] = 1;
+ ; if (c & 8) P[3] = 1;
+ ;}
+
+
+ void %foo(int %c, int* %P) {
+ entry:
+ %tmp1 = and int %c, 1 ; <int> [#uses=1]
+ %tmp1 = seteq int %tmp1, 0 ; <bool> [#uses=1]
+ br bool %tmp1, label %cond_next, label %cond_true
+
+ cond_true: ; preds = %entry
+ store int 1, int* %P
+ br label %cond_next
+
+ cond_next: ; preds = %entry, %cond_true
+ %tmp5 = and int %c, 2 ; <int> [#uses=1]
+ %tmp5 = seteq int %tmp5, 0 ; <bool> [#uses=1]
+ br bool %tmp5, label %cond_next10, label %cond_true6
+
+ cond_true6: ; preds = %cond_next
+ %tmp8 = getelementptr int* %P, int 1 ; <int*> [#uses=1]
+ store int 1, int* %tmp8
+ br label %cond_next10
+
+ cond_next10: ; preds = %cond_next, %cond_true6
+ %tmp13 = and int %c, 4 ; <int> [#uses=1]
+ %tmp13 = seteq int %tmp13, 0 ; <bool> [#uses=1]
+ br bool %tmp13, label %cond_next18, label %cond_true14
+
+ cond_true14: ; preds = %cond_next10
+ %tmp16 = getelementptr int* %P, int 2 ; <int*> [#uses=1]
+ store int 1, int* %tmp16
+ br label %cond_next18
+
+ cond_next18: ; preds = %cond_next10, %cond_true14
+ %tmp21 = and int %c, 8 ; <int> [#uses=1]
+ %tmp21 = seteq int %tmp21, 0 ; <bool> [#uses=1]
+ br bool %tmp21, label %return, label %cond_true22
+
+ cond_true22: ; preds = %cond_next18
+ %tmp24 = getelementptr int* %P, int 3 ; <int*> [#uses=1]
+ store int 1, int* %tmp24
+ ret void
+
+ return: ; preds = %cond_next18
+ ret void
+ }
+
+
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