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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --include-generated-funcs
; RUN: opt -S -passes=verify,iroutliner -ir-outlining-no-cost < %s | FileCheck %s
; Show that we do not outline when all of the phi nodes in the beginning
; block are included not in the region.
define void @function1(ptr %a, ptr %b) {
entry:
%0 = alloca i32, align 4
%c = load i32, ptr %0, align 4
%y = add i32 %c, %c
br label %test1
dummy:
ret void
test1:
%1 = phi i32 [ %e, %test1 ], [ %y, %entry ]
%2 = phi i32 [ %e, %test1 ], [ %y, %entry ]
%e = load i32, ptr %0, align 4
%3 = add i32 %c, %c
%4 = sub i32 %c, %c
br i1 true, label %first, label %test1
first:
ret void
}
define void @function2(ptr %a, ptr %b) {
entry:
%0 = alloca i32, align 4
%c = load i32, ptr %0, align 4
%y = mul i32 %c, %c
br label %test1
dummy:
ret void
test1:
%1 = phi i32 [ %e, %test1 ], [ %y, %entry ]
%2 = phi i32 [ %y, %entry ], [ %e, %test1 ]
%e = load i32, ptr %0, align 4
%3 = add i32 %c, %c
%4 = mul i32 %c, %c
br i1 true, label %first, label %test1
first:
ret void
}
; CHECK-LABEL: @function1(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[E_LOC:%.*]] = alloca i32, align 4
; CHECK-NEXT: [[TMP0:%.*]] = alloca i32, align 4
; CHECK-NEXT: [[C:%.*]] = load i32, ptr [[TMP0]], align 4
; CHECK-NEXT: [[Y:%.*]] = add i32 [[C]], [[C]]
; CHECK-NEXT: br label [[TEST1:%.*]]
; CHECK: dummy:
; CHECK-NEXT: ret void
; CHECK: test1:
; CHECK-NEXT: [[TMP1:%.*]] = phi i32 [ [[E_RELOAD:%.*]], [[TEST1]] ], [ [[Y]], [[ENTRY:%.*]] ]
; CHECK-NEXT: [[TMP2:%.*]] = phi i32 [ [[E_RELOAD]], [[TEST1]] ], [ [[Y]], [[ENTRY]] ]
; CHECK-NEXT: call void @llvm.lifetime.start.p0(i64 -1, ptr [[E_LOC]])
; CHECK-NEXT: call void @outlined_ir_func_0(ptr [[TMP0]], i32 [[C]], ptr [[E_LOC]])
; CHECK-NEXT: [[E_RELOAD]] = load i32, ptr [[E_LOC]], align 4
; CHECK-NEXT: call void @llvm.lifetime.end.p0(i64 -1, ptr [[E_LOC]])
; CHECK-NEXT: [[TMP3:%.*]] = sub i32 [[C]], [[C]]
; CHECK-NEXT: br i1 true, label [[FIRST:%.*]], label [[TEST1]]
; CHECK: first:
; CHECK-NEXT: ret void
;
;
; CHECK-LABEL: @function2(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[E_LOC:%.*]] = alloca i32, align 4
; CHECK-NEXT: [[TMP0:%.*]] = alloca i32, align 4
; CHECK-NEXT: [[C:%.*]] = load i32, ptr [[TMP0]], align 4
; CHECK-NEXT: [[Y:%.*]] = mul i32 [[C]], [[C]]
; CHECK-NEXT: br label [[TEST1:%.*]]
; CHECK: dummy:
; CHECK-NEXT: ret void
; CHECK: test1:
; CHECK-NEXT: [[TMP1:%.*]] = phi i32 [ [[E_RELOAD:%.*]], [[TEST1]] ], [ [[Y]], [[ENTRY:%.*]] ]
; CHECK-NEXT: [[TMP2:%.*]] = phi i32 [ [[Y]], [[ENTRY]] ], [ [[E_RELOAD]], [[TEST1]] ]
; CHECK-NEXT: call void @llvm.lifetime.start.p0(i64 -1, ptr [[E_LOC]])
; CHECK-NEXT: call void @outlined_ir_func_0(ptr [[TMP0]], i32 [[C]], ptr [[E_LOC]])
; CHECK-NEXT: [[E_RELOAD]] = load i32, ptr [[E_LOC]], align 4
; CHECK-NEXT: call void @llvm.lifetime.end.p0(i64 -1, ptr [[E_LOC]])
; CHECK-NEXT: [[TMP3:%.*]] = mul i32 [[C]], [[C]]
; CHECK-NEXT: br i1 true, label [[FIRST:%.*]], label [[TEST1]]
; CHECK: first:
; CHECK-NEXT: ret void
;
;
; CHECK-LABEL: define internal void @outlined_ir_func_0(
; CHECK-NEXT: newFuncRoot:
; CHECK-NEXT: br label [[TEST1_TO_OUTLINE:%.*]]
; CHECK: test1_to_outline:
; CHECK-NEXT: [[E:%.*]] = load i32, ptr [[TMP0:%.*]], align 4
; CHECK-NEXT: [[TMP3:%.*]] = add i32 [[TMP1:%.*]], [[TMP1]]
; CHECK-NEXT: br label [[TEST1_AFTER_OUTLINE_EXITSTUB:%.*]]
; CHECK: test1_after_outline.exitStub:
; CHECK-NEXT: store i32 [[E]], ptr [[TMP2:%.*]], align 4
; CHECK-NEXT: ret void
;
|
