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merge two tests.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122233 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-12-20 07:39:57 +00:00
parent b0af8ce1d9
commit 572335915f
2 changed files with 29 additions and 30 deletions
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31
test/Transforms/Inline/byval.ll
View File

@ -16,7 +16,7 @@ entry:
declare i32 @printf(i8*, ...) nounwind
define i32 @caller() nounwind {
define i32 @test1() nounwind {
entry:
%S = alloca %struct.ss ; <%struct.ss*> [#uses=4]
%tmp1 = getelementptr %struct.ss* %S, i32 0, i32 0 ; <i32*> [#uses=1]
@ -25,7 +25,34 @@ entry:
store i64 2, i64* %tmp4, align 4
call void @f( %struct.ss* byval %S ) nounwind
ret i32 0
; CHECK: @caller()
; CHECK: @test1()
; CHECK: %b = alloca %struct.ss
; CHECK: call void @llvm.memcpy
; CHECK: ret i32 0
}
; Inlining a byval struct should NOT cause an explicit copy
; into an alloca if the function is readonly
define internal i32 @f2(%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
}
define i32 @test2() 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 @f2( %struct.ss* byval %S ) nounwind
ret i32 %X
; CHECK: @test2()
; CHECK: %S = alloca %struct.ss
; CHECK-NOT: call void @llvm.memcpy
; CHECK: ret i32
}

28
test/Transforms/Inline/byval2.ll
View File

@ -1,28 +0,0 @@
; 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
}