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llvm-mirror/test/Transforms/Inline/byval2.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

29 lines
941 B
LLVM

; RUN: opt < %s -inline -S | not grep {llvm.memcpy}
; Inlining a byval struct should NOT cause an explicit copy
; into an alloca if the function is readonly
%struct.ss = type { i32, i64 }
@.str = internal constant [10 x i8] c"%d, %lld\0A\00" ; <[10 x i8]*> [#uses=1]
define internal i32 @f(%struct.ss* byval %b) nounwind readonly {
entry:
%tmp = getelementptr %struct.ss* %b, i32 0, i32 0 ; <i32*> [#uses=2]
%tmp1 = load i32* %tmp, align 4 ; <i32> [#uses=1]
%tmp2 = add i32 %tmp1, 1 ; <i32> [#uses=1]
ret i32 %tmp2
}
declare i32 @printf(i8*, ...) nounwind
define i32 @main() nounwind {
entry:
%S = alloca %struct.ss ; <%struct.ss*> [#uses=4]
%tmp1 = getelementptr %struct.ss* %S, i32 0, i32 0 ; <i32*> [#uses=1]
store i32 1, i32* %tmp1, align 8
%tmp4 = getelementptr %struct.ss* %S, i32 0, i32 1 ; <i64*> [#uses=1]
store i64 2, i64* %tmp4, align 4
%X = call i32 @f( %struct.ss* byval %S ) nounwind
ret i32 %X
}