llvm-6502/test/Transforms/LoopStrengthReduce/related_indvars.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

28 lines
975 B
LLVM

; RUN: opt < %s -loop-reduce -S | grep phi | count 1
; This should only result in one PHI node!
; void foo(double *D, double *E, double F) {
; while (D != E)
; *D++ = F;
; }
define void @foo(double* %D, double* %E, double %F) {
entry:
%tmp.24 = icmp eq double* %D, %E ; <i1> [#uses=1]
br i1 %tmp.24, label %return, label %no_exit
no_exit: ; preds = %no_exit, %entry
%indvar = phi i32 [ 0, %entry ], [ %indvar.next, %no_exit ] ; <i32> [#uses=2]
%D_addr.0.0.rec = bitcast i32 %indvar to i32 ; <i32> [#uses=2]
%D_addr.0.0 = getelementptr double* %D, i32 %D_addr.0.0.rec ; <double*> [#uses=1]
%inc.rec = add i32 %D_addr.0.0.rec, 1 ; <i32> [#uses=1]
%inc = getelementptr double* %D, i32 %inc.rec ; <double*> [#uses=1]
store double %F, double* %D_addr.0.0
%tmp.2 = icmp eq double* %inc, %E ; <i1> [#uses=1]
%indvar.next = add i32 %indvar, 1 ; <i32> [#uses=1]
br i1 %tmp.2, label %return, label %no_exit
return: ; preds = %no_exit, %entry
ret void
}