110 lines
4 KiB
LLVM
110 lines
4 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 are able to propogate inputs to the region into the split PHINode
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; outside of the region if necessary.
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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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%z = add i32 %c, %c
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br i1 true, label %test1, label %first
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test1:
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%e = load i32, ptr %0, align 4
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%1 = add i32 %c, %c
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br i1 true, label %first, label %test
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test:
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%d = load i32, ptr %0, align 4
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br i1 true, label %first, label %next
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dummy:
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ret void
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first:
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%2 = phi i32 [ %d, %test ], [ %e, %test1 ], [ %c, %entry ]
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ret void
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next:
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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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%z = mul i32 %c, %c
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br i1 true, label %test1, label %first
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test1:
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%e = load i32, ptr %0, align 4
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%1 = add i32 %c, %c
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br i1 true, label %first, label %test
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test:
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%d = load i32, ptr %0, align 4
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br i1 true, label %first, label %next
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dummy:
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ret void
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first:
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%2 = phi i32 [ %d, %test ], [ %e, %test1 ], [ %c, %entry ]
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ret void
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next:
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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: [[DOTCE_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: [[Z:%.*]] = add i32 [[C]], [[C]]
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; CHECK-NEXT: call void @llvm.lifetime.start.p0(i64 -1, ptr [[DOTCE_LOC]])
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; CHECK-NEXT: [[TARGETBLOCK:%.*]] = call i1 @outlined_ir_func_0(ptr [[TMP0]], i32 [[C]], ptr [[DOTCE_LOC]])
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; CHECK-NEXT: [[DOTCE_RELOAD:%.*]] = load i32, ptr [[DOTCE_LOC]], align 4
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; CHECK-NEXT: call void @llvm.lifetime.end.p0(i64 -1, ptr [[DOTCE_LOC]])
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; CHECK-NEXT: br i1 [[TARGETBLOCK]], label [[FIRST:%.*]], label [[NEXT:%.*]]
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; CHECK: dummy:
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; CHECK-NEXT: ret void
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; CHECK: first:
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; CHECK-NEXT: [[TMP1:%.*]] = phi i32 [ [[DOTCE_RELOAD]], [[ENTRY:%.*]] ]
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; CHECK-NEXT: ret void
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; CHECK: next:
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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: [[DOTCE_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: [[Z:%.*]] = mul i32 [[C]], [[C]]
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; CHECK-NEXT: call void @llvm.lifetime.start.p0(i64 -1, ptr [[DOTCE_LOC]])
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; CHECK-NEXT: [[TARGETBLOCK:%.*]] = call i1 @outlined_ir_func_0(ptr [[TMP0]], i32 [[C]], ptr [[DOTCE_LOC]])
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; CHECK-NEXT: [[DOTCE_RELOAD:%.*]] = load i32, ptr [[DOTCE_LOC]], align 4
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; CHECK-NEXT: call void @llvm.lifetime.end.p0(i64 -1, ptr [[DOTCE_LOC]])
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; CHECK-NEXT: br i1 [[TARGETBLOCK]], label [[FIRST:%.*]], label [[NEXT:%.*]]
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; CHECK: dummy:
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; CHECK-NEXT: ret void
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; CHECK: first:
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; CHECK-NEXT: [[TMP1:%.*]] = phi i32 [ [[DOTCE_RELOAD]], [[ENTRY:%.*]] ]
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; CHECK-NEXT: ret void
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; CHECK: next:
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; CHECK-NEXT: ret void
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;
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;
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; CHECK-LABEL: define internal i1 @outlined_ir_func_0(
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; CHECK-NEXT: newFuncRoot:
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; CHECK-NEXT: br label [[ENTRY_TO_OUTLINE:%.*]]
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; CHECK: entry_to_outline:
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; CHECK-NEXT: br i1 true, label [[TEST1:%.*]], label [[FIRST_SPLIT:%.*]]
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; CHECK: test1:
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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 i1 true, label [[FIRST_SPLIT]], label [[TEST:%.*]]
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; CHECK: test:
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; CHECK-NEXT: [[D:%.*]] = load i32, ptr [[TMP0]], align 4
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; CHECK-NEXT: br i1 true, label [[FIRST_SPLIT]], label [[NEXT_EXITSTUB:%.*]]
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; CHECK: first.split:
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; CHECK-NEXT: [[DOTCE:%.*]] = phi i32 [ [[D]], [[TEST]] ], [ [[E]], [[TEST1]] ], [ [[TMP1]], [[ENTRY_TO_OUTLINE]] ]
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; CHECK-NEXT: br label [[FIRST_EXITSTUB:%.*]]
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; CHECK: first.exitStub:
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; CHECK-NEXT: store i32 [[DOTCE]], ptr [[TMP2:%.*]], align 4
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; CHECK-NEXT: ret i1 true
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; CHECK: next.exitStub:
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; CHECK-NEXT: ret i1 false
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;
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