xref: /llvm-project/llvm/test/Transforms/IROutliner/outline-memset.ll (revision f4b925ee7078f058602fd323e25f45f1ae91ca34)
13785c1d0SAndrew Litteken; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --include-generated-funcs
29dd9575cSRoman Lebedev; RUN: opt -S -passes=verify,iroutliner -ir-outlining-no-cost < %s | FileCheck %s
33785c1d0SAndrew Litteken
43785c1d0SAndrew Litteken; This test checks that we successfully outline identical memset instructions.
53785c1d0SAndrew Litteken
6*f4b925eeSMatt Arsenaultdeclare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i32, i1)
73785c1d0SAndrew Litteken
83785c1d0SAndrew Littekendefine i64 @function1(i64 %x, i64 %z, i64 %n) {
93785c1d0SAndrew Littekenentry:
103785c1d0SAndrew Litteken  %pool = alloca [59 x i64], align 4
11*f4b925eeSMatt Arsenault  call void @llvm.memset.p0.i64(ptr nonnull %pool, i8 0, i64 236, i32 4, i1 false)
123785c1d0SAndrew Litteken  %cmp3 = icmp eq i64 %n, 0
133785c1d0SAndrew Litteken  %a = add i64 %x, %z
143785c1d0SAndrew Litteken  %c = add i64 %x, %z
153785c1d0SAndrew Litteken  ret i64 0
163785c1d0SAndrew Litteken}
173785c1d0SAndrew Litteken
183785c1d0SAndrew Littekendefine i64 @function2(i64 %x, i64 %z, i64 %n) {
193785c1d0SAndrew Littekenentry:
203785c1d0SAndrew Litteken  %pool = alloca [59 x i64], align 4
21*f4b925eeSMatt Arsenault  call void @llvm.memset.p0.i64(ptr nonnull %pool, i8 0, i64 236, i32 4, i1 false)
223785c1d0SAndrew Litteken  %cmp3 = icmp eq i64 %n, 0
233785c1d0SAndrew Litteken  %a = add i64 %x, %z
243785c1d0SAndrew Litteken  %c = add i64 %x, %z
253785c1d0SAndrew Litteken  ret i64 0
263785c1d0SAndrew Litteken}
273785c1d0SAndrew Litteken; CHECK-LABEL: @function1(
283785c1d0SAndrew Litteken; CHECK-NEXT:  entry:
293785c1d0SAndrew Litteken; CHECK-NEXT:    [[POOL:%.*]] = alloca [59 x i64], align 4
30*f4b925eeSMatt Arsenault; CHECK-NEXT:    call void @outlined_ir_func_0(ptr [[POOL]], i64 [[N:%.*]], i64 [[X:%.*]], i64 [[Z:%.*]])
313785c1d0SAndrew Litteken; CHECK-NEXT:    ret i64 0
323785c1d0SAndrew Litteken;
333785c1d0SAndrew Litteken;
343785c1d0SAndrew Litteken; CHECK-LABEL: @function2(
353785c1d0SAndrew Litteken; CHECK-NEXT:  entry:
363785c1d0SAndrew Litteken; CHECK-NEXT:    [[POOL:%.*]] = alloca [59 x i64], align 4
37*f4b925eeSMatt Arsenault; CHECK-NEXT:    call void @outlined_ir_func_0(ptr [[POOL]], i64 [[N:%.*]], i64 [[X:%.*]], i64 [[Z:%.*]])
383785c1d0SAndrew Litteken; CHECK-NEXT:    ret i64 0
393785c1d0SAndrew Litteken;
403785c1d0SAndrew Litteken;
413785c1d0SAndrew Litteken; CHECK: define internal void @outlined_ir_func_0(
423785c1d0SAndrew Litteken; CHECK-NEXT:  newFuncRoot:
433785c1d0SAndrew Litteken; CHECK-NEXT:    br label [[ENTRY_TO_OUTLINE:%.*]]
443785c1d0SAndrew Litteken; CHECK:       entry_to_outline:
45*f4b925eeSMatt Arsenault; CHECK-NEXT:    call void @llvm.memset.p0.i64(ptr nonnull align 4 [[TMP0:%.*]], i8 0, i64 236, i1 false)
463785c1d0SAndrew Litteken; CHECK-NEXT:    [[CMP3:%.*]] = icmp eq i64 [[TMP1:%.*]], 0
473785c1d0SAndrew Litteken; CHECK-NEXT:    [[A:%.*]] = add i64 [[TMP2:%.*]], [[TMP3:%.*]]
483785c1d0SAndrew Litteken; CHECK-NEXT:    [[C:%.*]] = add i64 [[TMP2]], [[TMP3]]
493785c1d0SAndrew Litteken; CHECK-NEXT:    br label [[ENTRY_AFTER_OUTLINE_EXITSTUB:%.*]]
503785c1d0SAndrew Litteken; CHECK:       entry_after_outline.exitStub:
513785c1d0SAndrew Litteken; CHECK-NEXT:    ret void
523785c1d0SAndrew Litteken;
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