1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --include-generated-funcs 2; RUN: opt -S -passes=verify,iroutliner -ir-outlining-no-cost < %s | FileCheck %s 3 4; This test checks that we successfully outline identical memcpy instructions. 5 6declare void @llvm.memcpy.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i1) 7 8define i8 @function1(ptr noalias %s, ptr noalias %d, i64 %len) { 9entry: 10 %a = load i8, ptr %s 11 %b = load i8, ptr %d 12 call void @llvm.memcpy.p0.p0.i64(ptr %d, ptr %s, i64 %len, i1 false) 13 %c = add i8 %a, %b 14 %ret = load i8, ptr %s 15 ret i8 %ret 16} 17 18define i8 @function2(ptr noalias %s, ptr noalias %d, i64 %len) { 19entry: 20 %a = load i8, ptr %s 21 %b = load i8, ptr %d 22 call void @llvm.memcpy.p0.p0.i64(ptr %d, ptr %s, i64 %len, i1 false) 23 %c = add i8 %a, %b 24 %ret = load i8, ptr %s 25 ret i8 %ret 26} 27; CHECK-LABEL: @function1( 28; CHECK-NEXT: entry: 29; CHECK-NEXT: [[RET_LOC:%.*]] = alloca i8, align 1 30; CHECK-NEXT: call void @llvm.lifetime.start.p0(i64 -1, ptr [[RET_LOC]]) 31; CHECK-NEXT: call void @outlined_ir_func_0(ptr [[S:%.*]], ptr [[D:%.*]], i64 [[LEN:%.*]], ptr [[RET_LOC]]) 32; CHECK-NEXT: [[RET_RELOAD:%.*]] = load i8, ptr [[RET_LOC]], align 1 33; CHECK-NEXT: call void @llvm.lifetime.end.p0(i64 -1, ptr [[RET_LOC]]) 34; CHECK-NEXT: ret i8 [[RET_RELOAD]] 35; 36; 37; CHECK-LABEL: @function2( 38; CHECK-NEXT: entry: 39; CHECK-NEXT: [[RET_LOC:%.*]] = alloca i8, align 1 40; CHECK-NEXT: call void @llvm.lifetime.start.p0(i64 -1, ptr [[RET_LOC]]) 41; CHECK-NEXT: call void @outlined_ir_func_0(ptr [[S:%.*]], ptr [[D:%.*]], i64 [[LEN:%.*]], ptr [[RET_LOC]]) 42; CHECK-NEXT: [[RET_RELOAD:%.*]] = load i8, ptr [[RET_LOC]], align 1 43; CHECK-NEXT: call void @llvm.lifetime.end.p0(i64 -1, ptr [[RET_LOC]]) 44; CHECK-NEXT: ret i8 [[RET_RELOAD]] 45; 46; 47; CHECK: define internal void @outlined_ir_func_0( 48; CHECK-NEXT: newFuncRoot: 49; CHECK-NEXT: br label [[ENTRY_TO_OUTLINE:%.*]] 50; CHECK: entry_to_outline: 51; CHECK-NEXT: [[A:%.*]] = load i8, ptr [[TMP0:%.*]], align 1 52; CHECK-NEXT: [[B:%.*]] = load i8, ptr [[TMP1:%.*]], align 1 53; CHECK-NEXT: call void @llvm.memcpy.p0.p0.i64(ptr [[TMP1]], ptr [[TMP0]], i64 [[TMP2:%.*]], i1 false) 54; CHECK-NEXT: [[C:%.*]] = add i8 [[A]], [[B]] 55; CHECK-NEXT: [[RET:%.*]] = load i8, ptr [[TMP0]], align 1 56; CHECK-NEXT: br label [[ENTRY_AFTER_OUTLINE_EXITSTUB:%.*]] 57; CHECK: entry_after_outline.exitStub: 58; CHECK-NEXT: store i8 [[RET]], ptr [[TMP3:%.*]], align 1 59; CHECK-NEXT: ret void 60; 61