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llvm-mirror/test/Transforms/MergeFunc/phi-speculation1.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

30 lines
615 B
LLVM

; RUN: opt < %s -mergefunc -stats -disable-output |& not grep {functions merged}
define i32 @foo1(i32 %x) {
entry:
%A = add i32 %x, 1
%B = call i32 @foo1(i32 %A)
br label %loop
loop:
%C = phi i32 [%B, %entry], [%D, %loop]
%D = add i32 %x, 2
%E = icmp ugt i32 %D, 10000
br i1 %E, label %loopexit, label %loop
loopexit:
ret i32 %D
}
define i32 @foo2(i32 %x) {
entry:
%0 = add i32 %x, 1
%1 = call i32 @foo2(i32 %0)
br label %loop
loop:
%2 = phi i32 [%1, %entry], [%3, %loop]
%3 = add i32 %2, 2
%4 = icmp ugt i32 %3, 10000
br i1 %4, label %loopexit, label %loop
loopexit:
ret i32 %3
}