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authorShih-wei Liao <sliao@google.com>2010-02-10 11:10:31 -0800
committerShih-wei Liao <sliao@google.com>2010-02-10 11:10:31 -0800
commite264f62ca09a8f65c87a46d562a4d0f9ec5d457e (patch)
tree59e3d57ef656cef79afa708ae0a3daf25cd91fcf /test/Transforms/ArgumentPromotion/byval.ll
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Check in LLVM r95781.
Diffstat (limited to 'test/Transforms/ArgumentPromotion/byval.ll')
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diff --git a/test/Transforms/ArgumentPromotion/byval.ll b/test/Transforms/ArgumentPromotion/byval.ll
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+++ b/test/Transforms/ArgumentPromotion/byval.ll
@@ -0,0 +1,25 @@
+; RUN: opt < %s -argpromotion -scalarrepl -S | not grep load
+target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
+; Argpromote + scalarrepl should change this to passing the two integers by value.
+
+ %struct.ss = type { i32, i64 }
+
+define internal void @f(%struct.ss* byval %b) nounwind {
+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]
+ store i32 %tmp2, i32* %tmp, align 4
+ ret void
+}
+
+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
+ call void @f( %struct.ss* byval %S ) nounwind
+ ret i32 0
+}