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llvm-mirror/test/Transforms/ScalarRepl/select_promote.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

19 lines
683 B
LLVM

; Test promotion of loads that use the result of a select instruction. This
; should be simplified by the instcombine pass.
; RUN: opt < %s -instcombine -mem2reg -S | not grep alloca
define i32 @main() {
%mem_tmp.0 = alloca i32 ; <i32*> [#uses=3]
%mem_tmp.1 = alloca i32 ; <i32*> [#uses=3]
store i32 0, i32* %mem_tmp.0
store i32 1, i32* %mem_tmp.1
%tmp.1.i = load i32* %mem_tmp.1 ; <i32> [#uses=1]
%tmp.3.i = load i32* %mem_tmp.0 ; <i32> [#uses=1]
%tmp.4.i = icmp sle i32 %tmp.1.i, %tmp.3.i ; <i1> [#uses=1]
%mem_tmp.i.0 = select i1 %tmp.4.i, i32* %mem_tmp.1, i32* %mem_tmp.0 ; <i32*> [#uses=1]
%tmp.3 = load i32* %mem_tmp.i.0 ; <i32> [#uses=1]
ret i32 %tmp.3
}