83 lines
2.9 KiB
LLVM
83 lines
2.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt -S -passes='licm,guard-widening,licm' -verify-memoryssa -debug-pass-manager < %s 2>&1 | FileCheck %s
|
|
|
|
; Main point of this test is to check the scheduling -- there should be
|
|
; no analysis passes needed between LICM and LoopGuardWidening
|
|
|
|
; CHECK: LICMPass
|
|
; CHECK-NEXT: GuardWideningPass
|
|
; CHECK-NEXT: LICMPass
|
|
|
|
declare void @llvm.experimental.guard(i1,...)
|
|
|
|
define void @iter(i32 %a, i32 %b, ptr %c_p) {
|
|
; CHECK-LABEL: @iter(
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: [[COND_0:%.*]] = icmp ult i32 [[A:%.*]], 10
|
|
; CHECK-NEXT: [[COND_1:%.*]] = icmp ult i32 [[B:%.*]], 10
|
|
; CHECK-NEXT: [[WIDE_CHK:%.*]] = and i1 [[COND_0]], [[COND_1]]
|
|
; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 [[WIDE_CHK]]) [ "deopt"() ]
|
|
; CHECK-NEXT: [[CND:%.*]] = load i1, ptr [[C_P:%.*]], align 1
|
|
; CHECK-NEXT: br label [[LOOP:%.*]]
|
|
; CHECK: loop:
|
|
; CHECK-NEXT: br i1 [[CND]], label [[LOOP]], label [[LEAVE_LOOPEXIT:%.*]]
|
|
; CHECK: leave.loopexit:
|
|
; CHECK-NEXT: br label [[LEAVE:%.*]]
|
|
; CHECK: leave:
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
|
|
entry:
|
|
%cond_0 = icmp ult i32 %a, 10
|
|
call void (i1, ...) @llvm.experimental.guard(i1 %cond_0) [ "deopt"() ]
|
|
br label %loop
|
|
|
|
loop: ; preds = %loop.preheader, %loop
|
|
%cond_1 = icmp ult i32 %b, 10
|
|
call void (i1, ...) @llvm.experimental.guard(i1 %cond_1) [ "deopt"() ]
|
|
%cnd = load i1, ptr %c_p
|
|
br i1 %cnd, label %loop, label %leave.loopexit
|
|
|
|
leave.loopexit: ; preds = %loop
|
|
br label %leave
|
|
|
|
leave: ; preds = %leave.loopexit, %entry
|
|
ret void
|
|
}
|
|
|
|
define void @within_loop(i32 %a, i32 %b, ptr %c_p) {
|
|
; CHECK-LABEL: @within_loop(
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: [[COND_0:%.*]] = icmp ult i32 [[A:%.*]], 10
|
|
; CHECK-NEXT: [[COND_1:%.*]] = icmp ult i32 [[B:%.*]], 10
|
|
; CHECK-NEXT: [[WIDE_CHK:%.*]] = and i1 [[COND_0]], [[COND_1]]
|
|
; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 [[WIDE_CHK]]) [ "deopt"() ]
|
|
; CHECK-NEXT: [[CND:%.*]] = load i1, ptr [[C_P:%.*]], align 1
|
|
; CHECK-NEXT: br label [[LOOP:%.*]]
|
|
; CHECK: loop:
|
|
; CHECK-NEXT: br i1 [[CND]], label [[LOOP]], label [[LEAVE_LOOPEXIT:%.*]]
|
|
; CHECK: leave.loopexit:
|
|
; CHECK-NEXT: br label [[LEAVE:%.*]]
|
|
; CHECK: leave:
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
|
|
entry:
|
|
br label %loop
|
|
|
|
loop: ; preds = %loop.preheader, %loop
|
|
%cond_0 = icmp ult i32 %a, 10
|
|
call void (i1, ...) @llvm.experimental.guard(i1 %cond_0) [ "deopt"() ]
|
|
%cond_1 = icmp ult i32 %b, 10
|
|
call void (i1, ...) @llvm.experimental.guard(i1 %cond_1) [ "deopt"() ]
|
|
%cnd = load i1, ptr %c_p
|
|
br i1 %cnd, label %loop, label %leave.loopexit
|
|
|
|
leave.loopexit: ; preds = %loop
|
|
br label %leave
|
|
|
|
leave: ; preds = %leave.loopexit, %entry
|
|
ret void
|
|
}
|
|
|