derek.holloway
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99 lines
3.6 KiB
LLVM
99 lines
3.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --include-generated-funcs
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; RUN: opt -S -passes=verify,iroutliner -ir-outlining-no-cost < %s | FileCheck %s
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; Show that we do not outline when all of the phi nodes in the beginning
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; block are included not in the region.
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define void @function1(ptr %a, ptr %b) {
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entry:
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%0 = alloca i32, align 4
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%c = load i32, ptr %0, align 4
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%y = add i32 %c, %c
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br label %test1
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dummy:
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ret void
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test1:
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%1 = phi i32 [ %e, %test1 ], [ %y, %entry ]
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%2 = phi i32 [ %e, %test1 ], [ %y, %entry ]
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%e = load i32, ptr %0, align 4
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%3 = add i32 %c, %c
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%4 = sub i32 %c, %c
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br i1 true, label %first, label %test1
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first:
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ret void
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}
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define void @function2(ptr %a, ptr %b) {
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entry:
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%0 = alloca i32, align 4
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%c = load i32, ptr %0, align 4
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%y = mul i32 %c, %c
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br label %test1
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dummy:
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ret void
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test1:
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%1 = phi i32 [ %e, %test1 ], [ %y, %entry ]
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%2 = phi i32 [ %y, %entry ], [ %e, %test1 ]
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%e = load i32, ptr %0, align 4
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%3 = add i32 %c, %c
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%4 = mul i32 %c, %c
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br i1 true, label %first, label %test1
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first:
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ret void
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}
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; CHECK-LABEL: @function1(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[E_LOC:%.*]] = alloca i32, align 4
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; CHECK-NEXT: [[TMP0:%.*]] = alloca i32, align 4
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; CHECK-NEXT: [[C:%.*]] = load i32, ptr [[TMP0]], align 4
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; CHECK-NEXT: [[Y:%.*]] = add i32 [[C]], [[C]]
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; CHECK-NEXT: br label [[TEST1:%.*]]
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; CHECK: dummy:
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; CHECK-NEXT: ret void
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; CHECK: test1:
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; CHECK-NEXT: [[TMP1:%.*]] = phi i32 [ [[E_RELOAD:%.*]], [[TEST1]] ], [ [[Y]], [[ENTRY:%.*]] ]
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; CHECK-NEXT: [[TMP2:%.*]] = phi i32 [ [[E_RELOAD]], [[TEST1]] ], [ [[Y]], [[ENTRY]] ]
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; CHECK-NEXT: call void @llvm.lifetime.start.p0(ptr [[E_LOC]])
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; CHECK-NEXT: call void @outlined_ir_func_0(ptr [[TMP0]], i32 [[C]], ptr [[E_LOC]])
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; CHECK-NEXT: [[E_RELOAD]] = load i32, ptr [[E_LOC]], align 4
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; CHECK-NEXT: call void @llvm.lifetime.end.p0(ptr [[E_LOC]])
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; CHECK-NEXT: [[TMP3:%.*]] = sub i32 [[C]], [[C]]
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; CHECK-NEXT: br i1 true, label [[FIRST:%.*]], label [[TEST1]]
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; CHECK: first:
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; CHECK-NEXT: ret void
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;
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;
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; CHECK-LABEL: @function2(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[E_LOC:%.*]] = alloca i32, align 4
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; CHECK-NEXT: [[TMP0:%.*]] = alloca i32, align 4
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; CHECK-NEXT: [[C:%.*]] = load i32, ptr [[TMP0]], align 4
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; CHECK-NEXT: [[Y:%.*]] = mul i32 [[C]], [[C]]
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; CHECK-NEXT: br label [[TEST1:%.*]]
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; CHECK: dummy:
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; CHECK-NEXT: ret void
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; CHECK: test1:
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; CHECK-NEXT: [[TMP1:%.*]] = phi i32 [ [[E_RELOAD:%.*]], [[TEST1]] ], [ [[Y]], [[ENTRY:%.*]] ]
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; CHECK-NEXT: [[TMP2:%.*]] = phi i32 [ [[Y]], [[ENTRY]] ], [ [[E_RELOAD]], [[TEST1]] ]
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; CHECK-NEXT: call void @llvm.lifetime.start.p0(ptr [[E_LOC]])
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; CHECK-NEXT: call void @outlined_ir_func_0(ptr [[TMP0]], i32 [[C]], ptr [[E_LOC]])
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; CHECK-NEXT: [[E_RELOAD]] = load i32, ptr [[E_LOC]], align 4
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; CHECK-NEXT: call void @llvm.lifetime.end.p0(ptr [[E_LOC]])
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; CHECK-NEXT: [[TMP3:%.*]] = mul i32 [[C]], [[C]]
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; CHECK-NEXT: br i1 true, label [[FIRST:%.*]], label [[TEST1]]
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; CHECK: first:
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; CHECK-NEXT: ret void
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;
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;
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; CHECK-LABEL: define internal void @outlined_ir_func_0(
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; CHECK-NEXT: newFuncRoot:
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; CHECK-NEXT: br label [[TEST1_TO_OUTLINE:%.*]]
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; CHECK: test1_to_outline:
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; CHECK-NEXT: [[E:%.*]] = load i32, ptr [[TMP0:%.*]], align 4
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; CHECK-NEXT: [[TMP3:%.*]] = add i32 [[TMP1:%.*]], [[TMP1]]
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; CHECK-NEXT: br label [[TEST1_AFTER_OUTLINE_EXITSTUB:%.*]]
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; CHECK: test1_after_outline.exitStub:
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; CHECK-NEXT: store i32 [[E]], ptr [[TMP2:%.*]], align 4
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; CHECK-NEXT: ret void
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;
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