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llvm-mirror/test/Transforms/LCSSA/basictest.ll
Dan Gohman 205b641954 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.

llvm-svn: 81537
2009-09-11 18:01:28 +00:00

25 lines
721 B
LLVM

; RUN: opt < %s -lcssa -S | \
; RUN: grep {X3.lcssa = phi i32}
; RUN: opt < %s -lcssa -S | \
; RUN: grep {X4 = add i32 3, %X3.lcssa}
define void @lcssa(i1 %S2) {
entry:
br label %loop.interior
loop.interior: ; preds = %post.if, %entry
br i1 %S2, label %if.true, label %if.false
if.true: ; preds = %loop.interior
%X1 = add i32 0, 0 ; <i32> [#uses=1]
br label %post.if
if.false: ; preds = %loop.interior
%X2 = add i32 0, 1 ; <i32> [#uses=1]
br label %post.if
post.if: ; preds = %if.false, %if.true
%X3 = phi i32 [ %X1, %if.true ], [ %X2, %if.false ] ; <i32> [#uses=1]
br i1 %S2, label %loop.exit, label %loop.interior
loop.exit: ; preds = %post.if
%X4 = add i32 3, %X3 ; <i32> [#uses=0]
ret void
}