blob: 110472c8b9f3b2a490033bb73505ac03bf5defde [file] [log] [blame]
Dan Gohman0a063102009-09-08 23:54:48 +00001; RUN: llc < %s -mtriple=i686-unknown-linux -tailcallopt | grep -A 1 call | grep -A 1 tailcaller | grep subl | grep 12
Arnold Schwaighofere91fdbf2008-09-11 20:28:43 +00002; Linux has 8 byte alignment so the params cause stack size 20 when tailcallopt
3; is enabled, ensure that a normal fastcc call has matching stack size
4
5
6define fastcc i32 @tailcallee(i32 %a1, i32 %a2, i32 %a3, i32 %a4) {
7 ret i32 %a3
8}
9
10define fastcc i32 @tailcaller(i32 %in1, i32 %in2, i32 %in3, i32 %in4) {
11 %tmp11 = tail call fastcc i32 @tailcallee(i32 %in1, i32 %in2,
12 i32 %in1, i32 %in2)
13 ret i32 %tmp11
14}
15
16define i32 @main(i32 %argc, i8** %argv) {
17 %tmp1 = call fastcc i32 @tailcaller( i32 1, i32 2, i32 3, i32 4 )
18 ; expect match subl [stacksize] here
19 ret i32 0
20}
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