diff options
Diffstat (limited to 'test/Transforms/FunctionAttrs/2008-12-31-NoCapture.ll')
-rw-r--r-- | test/Transforms/FunctionAttrs/2008-12-31-NoCapture.ll | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/test/Transforms/FunctionAttrs/2008-12-31-NoCapture.ll b/test/Transforms/FunctionAttrs/2008-12-31-NoCapture.ll deleted file mode 100644 index e2bab19..0000000 --- a/test/Transforms/FunctionAttrs/2008-12-31-NoCapture.ll +++ /dev/null @@ -1,105 +0,0 @@ -; RUN: opt < %s -functionattrs -S | not grep {nocapture *%%q} -; RUN: opt < %s -functionattrs -S | grep {nocapture *%%p} | count 6 -@g = global i32* null ; <i32**> [#uses=1] - -define i32* @c1(i32* %q) { - ret i32* %q -} - -define void @c2(i32* %q) { - store i32* %q, i32** @g - ret void -} - -define void @c3(i32* %q) { - call void @c2(i32* %q) - ret void -} - -define i1 @c4(i32* %q, i32 %bitno) { - %tmp = ptrtoint i32* %q to i32 - %tmp2 = lshr i32 %tmp, %bitno - %bit = trunc i32 %tmp2 to i1 - br i1 %bit, label %l1, label %l0 -l0: - ret i1 0 ; escaping value not caught by def-use chaining. -l1: - ret i1 1 ; escaping value not caught by def-use chaining. -} - -@lookup_table = global [2 x i1] [ i1 0, i1 1 ] - -define i1 @c5(i32* %q, i32 %bitno) { - %tmp = ptrtoint i32* %q to i32 - %tmp2 = lshr i32 %tmp, %bitno - %bit = and i32 %tmp2, 1 - ; subtle escape mechanism follows - %lookup = getelementptr [2 x i1]* @lookup_table, i32 0, i32 %bit - %val = load i1* %lookup - ret i1 %val -} - -declare void @throw_if_bit_set(i8*, i8) readonly -define i1 @c6(i8* %q, i8 %bit) { - invoke void @throw_if_bit_set(i8* %q, i8 %bit) - to label %ret0 unwind label %ret1 -ret0: - ret i1 0 -ret1: - %exn = landingpad {i8*, i32} personality i32 (...)* @__gxx_personality_v0 - cleanup - ret i1 1 -} - -declare i32 @__gxx_personality_v0(...) - -define i1* @lookup_bit(i32* %q, i32 %bitno) readnone nounwind { - %tmp = ptrtoint i32* %q to i32 - %tmp2 = lshr i32 %tmp, %bitno - %bit = and i32 %tmp2, 1 - %lookup = getelementptr [2 x i1]* @lookup_table, i32 0, i32 %bit - ret i1* %lookup -} - -define i1 @c7(i32* %q, i32 %bitno) { - %ptr = call i1* @lookup_bit(i32* %q, i32 %bitno) - %val = load i1* %ptr - ret i1 %val -} - - -define i32 @nc1(i32* %q, i32* %p, i1 %b) { -e: - br label %l -l: - %x = phi i32* [ %p, %e ] - %y = phi i32* [ %q, %e ] - %tmp = bitcast i32* %x to i32* ; <i32*> [#uses=2] - %tmp2 = select i1 %b, i32* %tmp, i32* %y - %val = load i32* %tmp2 ; <i32> [#uses=1] - store i32 0, i32* %tmp - store i32* %y, i32** @g - ret i32 %val -} - -define void @nc2(i32* %p, i32* %q) { - %1 = call i32 @nc1(i32* %q, i32* %p, i1 0) ; <i32> [#uses=0] - ret void -} - -define void @nc3(void ()* %p) { - call void %p() - ret void -} - -declare void @external(i8*) readonly nounwind -define void @nc4(i8* %p) { - call void @external(i8* %p) - ret void -} - -define void @nc5(void (i8*)* %f, i8* %p) { - call void %f(i8* %p) readonly nounwind - call void %f(i8* nocapture %p) - ret void -} |