blob: ad79ab9ae20ff9245c35b2509c313670f0f811c3 [file] [log] [blame]
Dan Gohman36a09472009-09-08 23:54:48 +00001; RUN: llc < %s -march=x86 >/dev/null
Dan Gohman00edf392009-08-10 23:43:19 +00002; PR4699
3
4; Handle this extractvalue-of-extractvalue case without getting in
5; trouble with CSE in DAGCombine.
6
7 %cc = type { %crd }
8 %cr = type { i32 }
9 %crd = type { i64, %cr* }
10 %pp = type { %cc }
11
12define fastcc void @foo(%pp* nocapture byval %p_arg) {
13entry:
14 %tmp2 = getelementptr %pp* %p_arg, i64 0, i32 0 ; <%cc*> [#uses=
15 %tmp3 = load %cc* %tmp2 ; <%cc> [#uses=1]
16 %tmp34 = extractvalue %cc %tmp3, 0 ; <%crd> [#uses=1]
17 %tmp345 = extractvalue %crd %tmp34, 0 ; <i64> [#uses=1]
18 %.ptr.i = load %cr** undef ; <%cr*> [#uses=0]
19 %tmp15.i = shl i64 %tmp345, 3 ; <i64> [#uses=0]
20 store %cr* undef, %cr** undef
21 ret void
22}
23
24