Changes in directory llvm/test/Regression/CodeGen/X86:
loop-strength-reduce.ll added (r1.1)
---
Log message:
Add a lsr common loop invariant hoisting test case
---
Diffs of the changes: (+28 -0)
loop-strength-reduce.ll | 28 ++++++++++++++++++++++++++++
1 files changed, 28 insertions(+)
Index: llvm/test/Regression/CodeGen/X86/loop-strength-reduce.ll
diff -c /dev/null llvm/test/Regression/CodeGen/X86/loop-strength-reduce.ll:1.1
*** /dev/null Fri Mar 17 13:46:04 2006
--- llvm/test/Regression/CodeGen/X86/loop-strength-reduce.ll Fri Mar 17
13:45:54 2006
***************
*** 0 ****
--- 1,28 ----
+ ; RUN: llvm-as < %s | llc -march=x86 -enable-x86-lsr | grep 'A(' | wc -l |
grep 1
+ ;
+ ; Make sure the common loop invariant _A(reg) is hoisted up to preheader.
+
+ %A = internal global [16 x [16 x int]] zeroinitializer, align 32
+
+ void %test(int %row, int %N) {
+ entry:
+ %N = cast int %N to uint
+ %tmp5 = setgt int %N, 0
+ br bool %tmp5, label %cond_true, label %return
+
+ cond_true:
+ %indvar = phi uint [ 0, %entry ], [ %indvar.next, %cond_true ]
+ %i.0.0 = cast uint %indvar to int
+ %tmp2 = add int %i.0.0, 1
+ %tmp = getelementptr [16 x [16 x int]]* %A, int 0, int %row, int %tmp2
+ store int 4, int* %tmp
+ %tmp5 = add int %i.0.0, 2
+ %tmp7 = getelementptr [16 x [16 x int]]* %A, int 0, int %row, int %tmp5
+ store int 5, int* %tmp7
+ %indvar.next = add uint %indvar, 1
+ %exitcond = seteq uint %indvar.next, %N
+ br bool %exitcond, label %return, label %cond_true
+
+ return:
+ ret void
+ }
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