| ; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| ; RUN: llc -verify-machineinstrs -stop-before=ppc-vsx-copy -vec-extabi \ |
| ; RUN: -mcpu=pwr7 -mtriple powerpc-ibm-aix-xcoff < %s | \ |
| ; RUN: FileCheck %s |
| |
| ;; Testing a variadic callee where a vector argument passed through ellipsis |
| ;; is passed partially in registers and on the stack. The 3 fixed double |
| ;; arguments shadow r3-r8, and a vector int <4 x i32> is passed in R9/R10 and |
| ;; on the stack starting at the shadow of R9. |
| define <4 x i32> @split_spill(double %d1, double %d2, double %d3, ...) { |
| ; CHECK-LABEL: name: split_spill |
| ; CHECK: bb.0.entry: |
| ; CHECK: liveins: $r9, $r10 |
| ; CHECK: [[COPY:%[0-9]+]]:gprc = COPY $r10 |
| ; CHECK: [[COPY1:%[0-9]+]]:gprc = COPY $r9 |
| ; CHECK: STW [[COPY1]], 0, %fixed-stack.0 :: (store (s32) into %fixed-stack.0, align 16) |
| ; CHECK: STW [[COPY]], 4, %fixed-stack.0 :: (store (s32) into %fixed-stack.0 + 4) |
| ; CHECK: LIFETIME_START %stack.0.arg_list |
| ; CHECK: [[ADDI:%[0-9]+]]:gprc = ADDI %fixed-stack.0, 0 |
| ; CHECK: [[LXVW4X:%[0-9]+]]:vsrc = LXVW4X $zero, killed [[ADDI]] :: (load (s128) from %ir.4) |
| ; CHECK: LIFETIME_END %stack.0.arg_list |
| ; CHECK: $v2 = COPY [[LXVW4X]] |
| ; CHECK: BLR implicit $lr, implicit $rm, implicit $v2 |
| entry: |
| %arg_list = alloca i8*, align 4 |
| %0 = bitcast i8** %arg_list to i8* |
| call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull %0) |
| call void @llvm.va_start(i8* nonnull %0) |
| %argp.cur = load i8*, i8** %arg_list, align 4 |
| %1 = ptrtoint i8* %argp.cur to i32 |
| %2 = add i32 %1, 15 |
| %3 = and i32 %2, -16 |
| %argp.cur.aligned = inttoptr i32 %3 to i8* |
| %argp.next = getelementptr inbounds i8, i8* %argp.cur.aligned, i32 16 |
| store i8* %argp.next, i8** %arg_list, align 4 |
| %4 = inttoptr i32 %3 to <4 x i32>* |
| %5 = load <4 x i32>, <4 x i32>* %4, align 16 |
| call void @llvm.va_end(i8* nonnull %0) |
| call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull %0) |
| ret <4 x i32> %5 |
| } |
| |
| declare void @llvm.lifetime.start.p0i8(i64 immarg, i8* nocapture) |
| |
| declare void @llvm.va_start(i8*) |
| |
| declare void @llvm.va_end(i8*) |
| |
| declare void @llvm.lifetime.end.p0i8(i64 immarg, i8* nocapture) |