llvm/test/Transforms/ScalarRepl/load-store-aggregate.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

31 lines
947 B
LLVM

; This testcase shows that scalarrepl is able to replace struct alloca's which
; are directly loaded from or stored to (using the first class aggregates
; feature).
; RUN: opt < %s -scalarrepl -S > %t
; RUN: cat %t | not grep alloca
%struct.foo = type { i32, i32 }
define i32 @test(%struct.foo* %P) {
entry:
%L = alloca %struct.foo, align 8 ; <%struct.foo*> [#uses=2]
%V = load %struct.foo* %P
store %struct.foo %V, %struct.foo* %L
%tmp4 = getelementptr %struct.foo* %L, i32 0, i32 0 ; <i32*> [#uses=1]
%tmp5 = load i32* %tmp4 ; <i32> [#uses=1]
ret i32 %tmp5
}
define %struct.foo @test2(i32 %A, i32 %B) {
entry:
%L = alloca %struct.foo, align 8 ; <%struct.foo*> [#uses=2]
%L.0 = getelementptr %struct.foo* %L, i32 0, i32 0
store i32 %A, i32* %L.0
%L.1 = getelementptr %struct.foo* %L, i32 0, i32 1
store i32 %B, i32* %L.1
%V = load %struct.foo* %L
ret %struct.foo %V
}