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Instruct the inliner to obey the noinline attribute. Add test case.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37481 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tanya Lattner
2007-06-06 21:59:26 +00:00
parent 25e0cb3180
commit 682f683669
2 changed files with 89 additions and 1 deletions
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46
test/Transforms/Inline/2007-06-06-NoInline.ll Normal file
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; RUN: llvm-as < %s | opt -inline -f - | llvm-dis | grep "define internal i32 @bar"
@llvm.noinline = appending global [1 x i8*] [ i8* bitcast (i32 (i32, i32)* @bar to i8*) ], section "llvm.metadata" ; <[1 x i8*]*> [#uses=0]
define internal i32 @bar(i32 %x, i32 %y) {
entry:
%x_addr = alloca i32 ; <i32*> [#uses=2]
%y_addr = alloca i32 ; <i32*> [#uses=2]
%retval = alloca i32, align 4 ; <i32*> [#uses=2]
%tmp = alloca i32, align 4 ; <i32*> [#uses=2]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
store i32 %x, i32* %x_addr
store i32 %y, i32* %y_addr
%tmp1 = load i32* %x_addr ; <i32> [#uses=1]
%tmp2 = load i32* %y_addr ; <i32> [#uses=1]
%tmp3 = add i32 %tmp1, %tmp2 ; <i32> [#uses=1]
store i32 %tmp3, i32* %tmp
%tmp4 = load i32* %tmp ; <i32> [#uses=1]
store i32 %tmp4, i32* %retval
br label %return
return: ; preds = %entry
%retval5 = load i32* %retval ; <i32> [#uses=1]
ret i32 %retval5
}
define i32 @foo(i32 %a, i32 %b) {
entry:
%a_addr = alloca i32 ; <i32*> [#uses=2]
%b_addr = alloca i32 ; <i32*> [#uses=2]
%retval = alloca i32, align 4 ; <i32*> [#uses=2]
%tmp = alloca i32, align 4 ; <i32*> [#uses=2]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
store i32 %a, i32* %a_addr
store i32 %b, i32* %b_addr
%tmp1 = load i32* %b_addr ; <i32> [#uses=1]
%tmp2 = load i32* %a_addr ; <i32> [#uses=1]
%tmp3 = call i32 @bar( i32 %tmp1, i32 %tmp2 ) ; <i32> [#uses=1]
store i32 %tmp3, i32* %tmp
%tmp4 = load i32* %tmp ; <i32> [#uses=1]
store i32 %tmp4, i32* %retval
br label %return
return: ; preds = %entry
%retval5 = load i32* %retval ; <i32> [#uses=1]
ret i32 %retval5
}