1 ; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2 ; RUN: llc -verify-machineinstrs -stop-before=ppc-vsx-copy -vec-extabi \
3 ; RUN: -mcpu=pwr7 -mtriple powerpc-ibm-aix-xcoff < %s | \
6 ;; Testing a variadic callee where a vector argument passed through ellipsis
7 ;; is passed partially in registers and on the stack. The 3 fixed double
8 ;; arguments shadow r3-r8, and a vector int <4 x i32> is passed in R9/R10 and
9 ;; on the stack starting at the shadow of R9.
10 define <4 x i32> @split_spill(double %d1, double %d2, double %d3, ...) {
11 ; CHECK-LABEL: name: split_spill
13 ; CHECK: liveins: $r9, $r10
14 ; CHECK: [[COPY:%[0-9]+]]:gprc = COPY $r10
15 ; CHECK: [[COPY1:%[0-9]+]]:gprc = COPY $r9
16 ; CHECK: STW [[COPY1]], 0, %fixed-stack.0 :: (store (s32) into %fixed-stack.0, align 16)
17 ; CHECK: STW [[COPY]], 4, %fixed-stack.0 :: (store (s32) into %fixed-stack.0 + 4)
18 ; CHECK: LIFETIME_START %stack.0.arg_list
19 ; CHECK: [[ADDI:%[0-9]+]]:gprc = ADDI %fixed-stack.0, 0
20 ; CHECK: [[LXVW4X:%[0-9]+]]:vsrc = LXVW4X $zero, killed [[ADDI]] :: (load (s128) from %ir.argp.cur.aligned)
21 ; CHECK: LIFETIME_END %stack.0.arg_list
22 ; CHECK: $v2 = COPY [[LXVW4X]]
23 ; CHECK: BLR implicit $lr, implicit $rm, implicit $v2
25 %arg_list = alloca ptr, align 4
26 call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %arg_list)
27 call void @llvm.va_start(ptr nonnull %arg_list)
28 %argp.cur = load ptr, ptr %arg_list, align 4
29 %0 = ptrtoint ptr %argp.cur to i32
32 %argp.cur.aligned = inttoptr i32 %2 to ptr
33 %argp.next = getelementptr inbounds i8, ptr %argp.cur.aligned, i32 16
34 store ptr %argp.next, ptr %arg_list, align 4
35 %3 = inttoptr i32 %2 to ptr
36 %4 = load <4 x i32>, ptr %3, align 16
37 call void @llvm.va_end(ptr nonnull %arg_list)
38 call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %arg_list)
42 declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture)
44 declare void @llvm.va_start(ptr)
46 declare void @llvm.va_end(ptr)
48 declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture)