86 lines
2.9 KiB
LLVM
86 lines
2.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --include-generated-funcs
|
|
; RUN: opt -S -verify -iroutliner -ir-outlining-no-cost < %s | FileCheck %s
|
|
|
|
; Show that we are able to extract blocks that contain PHINodes, and selectively
|
|
; store into it's respective block, only using if needed.
|
|
|
|
define void @function1(i32* %a, i32* %b) {
|
|
entry:
|
|
%0 = alloca i32, align 4
|
|
%c = load i32, i32* %0, align 4
|
|
br label %test1
|
|
test1:
|
|
%e = load i32, i32* %0, align 4
|
|
br label %first
|
|
test:
|
|
%d = load i32, i32* %0, align 4
|
|
br label %first
|
|
first:
|
|
%1 = phi i32 [ %c, %test ], [ %e, %test1 ]
|
|
ret void
|
|
}
|
|
|
|
define void @function2(i32* %a, i32* %b) {
|
|
entry:
|
|
%0 = alloca i32, align 4
|
|
%c = load i32, i32* %0, align 4
|
|
br label %test1
|
|
test1:
|
|
%e = load i32, i32* %0, align 4
|
|
br label %first
|
|
test:
|
|
%d = load i32, i32* %0, align 4
|
|
br label %first
|
|
first:
|
|
ret void
|
|
}
|
|
; CHECK-LABEL: @function1(
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: [[DOTCE_LOC:%.*]] = alloca i32, align 4
|
|
; CHECK-NEXT: [[TMP0:%.*]] = alloca i32, align 4
|
|
; CHECK-NEXT: [[LT_CAST:%.*]] = bitcast i32* [[DOTCE_LOC]] to i8*
|
|
; CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 -1, i8* [[LT_CAST]])
|
|
; CHECK-NEXT: call void @outlined_ir_func_0(i32* [[TMP0]], i32* [[DOTCE_LOC]], i32 0)
|
|
; CHECK-NEXT: [[DOTCE_RELOAD:%.*]] = load i32, i32* [[DOTCE_LOC]], align 4
|
|
; CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 -1, i8* [[LT_CAST]])
|
|
; CHECK-NEXT: br label [[FIRST:%.*]]
|
|
; CHECK: first:
|
|
; CHECK-NEXT: [[TMP1:%.*]] = phi i32 [ [[DOTCE_RELOAD]], [[ENTRY:%.*]] ]
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
;
|
|
; CHECK-LABEL: @function2(
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: [[TMP0:%.*]] = alloca i32, align 4
|
|
; CHECK-NEXT: call void @outlined_ir_func_0(i32* [[TMP0]], i32* null, i32 -1)
|
|
; CHECK-NEXT: br label [[FIRST:%.*]]
|
|
; CHECK: first:
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
;
|
|
; CHECK-LABEL: define internal void @outlined_ir_func_0(
|
|
; CHECK-NEXT: newFuncRoot:
|
|
; CHECK-NEXT: br label [[ENTRY_TO_OUTLINE:%.*]]
|
|
; CHECK: entry_to_outline:
|
|
; CHECK-NEXT: [[C:%.*]] = load i32, i32* [[TMP0:%.*]], align 4
|
|
; CHECK-NEXT: br label [[TEST1:%.*]]
|
|
; CHECK: test1:
|
|
; CHECK-NEXT: [[E:%.*]] = load i32, i32* [[TMP0]], align 4
|
|
; CHECK-NEXT: br label [[FIRST_SPLIT:%.*]]
|
|
; CHECK: test:
|
|
; CHECK-NEXT: [[D:%.*]] = load i32, i32* [[TMP0]], align 4
|
|
; CHECK-NEXT: br label [[FIRST_SPLIT]]
|
|
; CHECK: first.split:
|
|
; CHECK-NEXT: [[DOTCE:%.*]] = phi i32 [ [[C]], [[TEST:%.*]] ], [ [[E]], [[TEST1]] ]
|
|
; CHECK-NEXT: br label [[FIRST_EXITSTUB:%.*]]
|
|
; CHECK: first.exitStub:
|
|
; CHECK-NEXT: switch i32 [[TMP2:%.*]], label [[FINAL_BLOCK_0:%.*]] [
|
|
; CHECK-NEXT: i32 0, label [[OUTPUT_BLOCK_0_0:%.*]]
|
|
; CHECK-NEXT: ]
|
|
; CHECK: output_block_0_0:
|
|
; CHECK-NEXT: store i32 [[DOTCE]], i32* [[TMP1:%.*]], align 4
|
|
; CHECK-NEXT: br label [[FINAL_BLOCK_0]]
|
|
; CHECK: final_block_0:
|
|
; CHECK-NEXT: ret void
|
|
;
|