Changes in directory llvm/test/Regression/Transforms/LoopStrengthReduce:
var_stride_used_by_compare.ll added (r1.1)
---
Log message:
New testcase.
---
Diffs of the changes: (+48 -0)
var_stride_used_by_compare.ll | 48 ++++++++++++++++++++++++++++++++++++++++++
1 files changed, 48 insertions(+)
Index:
llvm/test/Regression/Transforms/LoopStrengthReduce/var_stride_used_by_compare.ll
diff -c /dev/null
llvm/test/Regression/Transforms/LoopStrengthReduce/var_stride_used_by_compare.ll:1.1
*** /dev/null Fri Nov 17 00:09:59 2006
---
llvm/test/Regression/Transforms/LoopStrengthReduce/var_stride_used_by_compare.ll
Fri Nov 17 00:09:49 2006
***************
*** 0 ****
--- 1,48 ----
+ ; RUN: llvm-as < %s | opt -loop-reduce | llvm-dis &&
+
+ ; Base should not be i*3, it should be i*2.
+ ; RUN: llvm-as < %s | opt -loop-reduce | llvm-dis | not grep 'mul.*%i, 3' &&
+
+ ; Indvar should not start at zero:
+ ; RUN: llvm-as < %s | opt -loop-reduce | llvm-dis | not grep 'phi uint .* 0'
+
+ ; mul uint %i, 3
+
+ ; ModuleID = 't.bc'
+ target datalayout = "e-p:32:32"
+ target endian = little
+ target pointersize = 32
+ target triple = "i686-apple-darwin8"
+ %flags2 = external global [8193 x sbyte], align 32 ; <[8193 x
sbyte]*> [#uses=1]
+
+ implementation ; Functions:
+
+ void %foo(int %k, int %i) {
+ entry:
+ %i = cast int %i to uint ; <uint> [#uses=2]
+ %k_addr.012 = shl int %i, ubyte 1 ; <int> [#uses=1]
+ %tmp14 = setgt int %k_addr.012, 8192 ; <bool> [#uses=1]
+ br bool %tmp14, label %return, label %bb.preheader
+
+ bb.preheader: ; preds = %entry
+ %tmp. = shl uint %i, ubyte 1 ; <uint> [#uses=1]
+ br label %bb
+
+ bb: ; preds = %bb, %bb.preheader
+ %indvar = phi uint [ %indvar.next, %bb ], [ 0, %bb.preheader ]
; <uint> [#uses=2]
+ %tmp.15 = mul uint %indvar, %i ; <uint> [#uses=1]
+ %tmp.16 = add uint %tmp.15, %tmp. ; <uint> [#uses=2]
+ %k_addr.0.0 = cast uint %tmp.16 to int ; <int> [#uses=1]
+ %tmp = getelementptr [8193 x sbyte]* %flags2, int 0, uint %tmp.16
; <sbyte*> [#uses=1]
+ store sbyte 0, sbyte* %tmp
+ %k_addr.0 = add int %k_addr.0.0, %i ; <int> [#uses=1]
+ %tmp = setgt int %k_addr.0, 8192 ; <bool> [#uses=1]
+ %indvar.next = add uint %indvar, 1 ; <uint> [#uses=1]
+ br bool %tmp, label %return.loopexit, label %bb
+
+ return.loopexit: ; preds = %bb
+ br label %return
+
+ return: ; preds = %return.loopexit, %entry
+ ret void
+ }
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