llvm-6502/test/Transforms/LoopStrengthReduce/var_stride_used_by_compare.ll
Dan Gohman f2f6ce65b7 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81537 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-11 18:01:28 +00:00

42 lines
1.5 KiB
LLVM

; Base should not be i*3, it should be i*2.
; RUN: opt < %s -loop-reduce -S | \
; RUN: not grep {mul.*%i, 3}
; Indvar should not start at zero:
; RUN: opt < %s -loop-reduce -S | \
; RUN: not grep {phi i32 .* 0}
; END.
; mul uint %i, 3
target datalayout = "e-p:32:32"
target triple = "i686-apple-darwin8"
@flags2 = external global [8193 x i8], align 32 ; <[8193 x i8]*> [#uses=1]
define void @foo(i32 %k, i32 %i.s) {
entry:
%i = bitcast i32 %i.s to i32 ; <i32> [#uses=2]
%k_addr.012 = shl i32 %i.s, 1 ; <i32> [#uses=1]
%tmp14 = icmp sgt i32 %k_addr.012, 8192 ; <i1> [#uses=1]
br i1 %tmp14, label %return, label %bb.preheader
bb.preheader: ; preds = %entry
%tmp. = shl i32 %i, 1 ; <i32> [#uses=1]
br label %bb
bb: ; preds = %bb, %bb.preheader
%indvar = phi i32 [ %indvar.next, %bb ], [ 0, %bb.preheader ] ; <i32> [#uses=2]
%tmp.15 = mul i32 %indvar, %i ; <i32> [#uses=1]
%tmp.16 = add i32 %tmp.15, %tmp. ; <i32> [#uses=2]
%k_addr.0.0 = bitcast i32 %tmp.16 to i32 ; <i32> [#uses=1]
%gep.upgrd.1 = zext i32 %tmp.16 to i64 ; <i64> [#uses=1]
%tmp = getelementptr [8193 x i8]* @flags2, i32 0, i64 %gep.upgrd.1 ; <i8*> [#uses=1]
store i8 0, i8* %tmp
%k_addr.0 = add i32 %k_addr.0.0, %i.s ; <i32> [#uses=1]
%tmp.upgrd.2 = icmp sgt i32 %k_addr.0, 8192 ; <i1> [#uses=1]
%indvar.next = add i32 %indvar, 1 ; <i32> [#uses=1]
br i1 %tmp.upgrd.2, label %return.loopexit, label %bb
return.loopexit: ; preds = %bb
br label %return
return: ; preds = %return.loopexit, %entry
ret void
}