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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 are able to outline when all of the phi nodes in the starting
; block are included in the region and there is no more than one predecessor
; into those phi nodes from outside of 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
br i1 true, label %test, label %test1
test:
%d = load i32, ptr %0, align 4
br label %first
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 [ %e, %test1 ], [ %y, %entry ]
%e = load i32, ptr %0, align 4
%3 = add i32 %c, %c
br i1 true, label %test, label %test1
test:
%d = load i32, ptr %0, align 4
br label %first
first:
ret void
}
; CHECK-LABEL: @function1(
; CHECK-NEXT: entry:
; 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: call void @outlined_ir_func_0(i32 [[Y]], ptr [[TMP0]], i32 [[C]])
; CHECK-NEXT: br label [[FIRST:%.*]]
; CHECK: first:
; CHECK-NEXT: ret void
;
;
; CHECK-LABEL: @function2(
; CHECK-NEXT: entry:
; 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: call void @outlined_ir_func_0(i32 [[Y]], ptr [[TMP0]], i32 [[C]])
; CHECK-NEXT: br label [[FIRST:%.*]]
; CHECK: first:
; CHECK-NEXT: ret void
;
;
; CHECK: define internal void @outlined_ir_func_0(
; CHECK-NEXT: newFuncRoot:
; CHECK-NEXT: br label [[TEST1_TO_OUTLINE:%.*]]
; CHECK: test1_to_outline:
; CHECK-NEXT: [[TMP3:%.*]] = phi i32 [ [[E:%.*]], [[TEST1_TO_OUTLINE]] ], [ [[TMP0:%.*]], [[NEWFUNCROOT:%.*]] ]
; CHECK-NEXT: [[TMP4:%.*]] = phi i32 [ [[E]], [[TEST1_TO_OUTLINE]] ], [ [[TMP0]], [[NEWFUNCROOT]] ]
; CHECK-NEXT: [[E]] = load i32, ptr [[TMP1:%.*]], align 4
; CHECK-NEXT: [[TMP5:%.*]] = add i32 [[TMP2:%.*]], [[TMP2]]
; CHECK-NEXT: br i1 true, label [[TEST:%.*]], label [[TEST1_TO_OUTLINE]]
; CHECK: test:
; CHECK-NEXT: [[D:%.*]] = load i32, ptr [[TMP1]], align 4
; CHECK-NEXT: br label [[FIRST_EXITSTUB:%.*]]
; CHECK: first.exitStub:
; CHECK-NEXT: ret void
;
|
