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 | \ 4; RUN: FileCheck %s 5 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. 10define <4 x i32> @split_spill(double %d1, double %d2, double %d3, ...) { 11 ; CHECK-LABEL: name: split_spill 12 ; CHECK: bb.0.entry: 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 24entry: 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 30 %1 = add i32 %0, 15 31 %2 = and i32 %1, -16 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) 39 ret <4 x i32> %4 40} 41 42declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) 43 44declare void @llvm.va_start(ptr) 45 46declare void @llvm.va_end(ptr) 47 48declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) 49