forked from OSchip/llvm-project
128 lines
4.2 KiB
LLVM
128 lines
4.2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt -consthoist -S < %s | FileCheck %s
|
|
target triple = "x86_64--"
|
|
|
|
; We don't want to convert constant divides because the benefit from converting
|
|
; them to a mul in the backend is larget than constant materialization savings.
|
|
define void @signed_const_division(i64 %in1, i64 %in2, i64* %addr) {
|
|
; CHECK-LABEL: @signed_const_division(
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: br label [[LOOP:%.*]]
|
|
; CHECK: loop:
|
|
; CHECK-NEXT: [[L1:%.*]] = phi i64 [ [[RES1:%.*]], [[LOOP]] ], [ [[IN1:%.*]], [[ENTRY:%.*]] ]
|
|
; CHECK-NEXT: [[L2:%.*]] = phi i64 [ [[RES2:%.*]], [[LOOP]] ], [ [[IN2:%.*]], [[ENTRY]] ]
|
|
; CHECK-NEXT: [[RES1]] = sdiv i64 [[L1]], 4294967296
|
|
; CHECK-NEXT: store volatile i64 [[RES1]], i64* [[ADDR:%.*]]
|
|
; CHECK-NEXT: [[RES2]] = srem i64 [[L2]], 4294967296
|
|
; CHECK-NEXT: store volatile i64 [[RES2]], i64* [[ADDR]]
|
|
; CHECK-NEXT: [[AGAIN:%.*]] = icmp eq i64 [[RES1]], [[RES2]]
|
|
; CHECK-NEXT: br i1 [[AGAIN]], label [[LOOP]], label [[END:%.*]]
|
|
; CHECK: end:
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
entry:
|
|
br label %loop
|
|
|
|
loop:
|
|
%l1 = phi i64 [%res1, %loop], [%in1, %entry]
|
|
%l2 = phi i64 [%res2, %loop], [%in2, %entry]
|
|
%res1 = sdiv i64 %l1, 4294967296
|
|
store volatile i64 %res1, i64* %addr
|
|
%res2 = srem i64 %l2, 4294967296
|
|
store volatile i64 %res2, i64* %addr
|
|
%again = icmp eq i64 %res1, %res2
|
|
br i1 %again, label %loop, label %end
|
|
|
|
end:
|
|
ret void
|
|
}
|
|
|
|
define void @unsigned_const_division(i64 %in1, i64 %in2, i64* %addr) {
|
|
; CHECK-LABEL: @unsigned_const_division(
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: br label [[LOOP:%.*]]
|
|
; CHECK: loop:
|
|
; CHECK-NEXT: [[L1:%.*]] = phi i64 [ [[RES1:%.*]], [[LOOP]] ], [ [[IN1:%.*]], [[ENTRY:%.*]] ]
|
|
; CHECK-NEXT: [[L2:%.*]] = phi i64 [ [[RES2:%.*]], [[LOOP]] ], [ [[IN2:%.*]], [[ENTRY]] ]
|
|
; CHECK-NEXT: [[RES1]] = udiv i64 [[L1]], 4294967296
|
|
; CHECK-NEXT: store volatile i64 [[RES1]], i64* [[ADDR:%.*]]
|
|
; CHECK-NEXT: [[RES2]] = urem i64 [[L2]], 4294967296
|
|
; CHECK-NEXT: store volatile i64 [[RES2]], i64* [[ADDR]]
|
|
; CHECK-NEXT: [[AGAIN:%.*]] = icmp eq i64 [[RES1]], [[RES2]]
|
|
; CHECK-NEXT: br i1 [[AGAIN]], label [[LOOP]], label [[END:%.*]]
|
|
; CHECK: end:
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
|
|
entry:
|
|
br label %loop
|
|
|
|
loop:
|
|
%l1 = phi i64 [%res1, %loop], [%in1, %entry]
|
|
%l2 = phi i64 [%res2, %loop], [%in2, %entry]
|
|
%res1 = udiv i64 %l1, 4294967296
|
|
store volatile i64 %res1, i64* %addr
|
|
%res2 = urem i64 %l2, 4294967296
|
|
store volatile i64 %res2, i64* %addr
|
|
%again = icmp eq i64 %res1, %res2
|
|
br i1 %again, label %loop, label %end
|
|
|
|
end:
|
|
ret void
|
|
}
|
|
|
|
define i32 @PR40934() {
|
|
; CHECK-LABEL: @PR40934(
|
|
; CHECK-NEXT: ret i32 undef
|
|
; CHECK: bb:
|
|
; CHECK-NEXT: [[T2:%.*]] = call i32 (i64, ...) bitcast (i32 (...)* @d to i32 (i64, ...)*)(i64 7788015061)
|
|
; CHECK-NEXT: [[T3:%.*]] = and i64 [[T3]], 7788015061
|
|
; CHECK-NEXT: br label [[BB:%.*]]
|
|
;
|
|
ret i32 undef
|
|
|
|
bb:
|
|
%t2 = call i32 (i64, ...) bitcast (i32 (...)* @d to i32 (i64, ...)*)(i64 7788015061)
|
|
%t3 = and i64 %t3, 7788015061
|
|
br label %bb
|
|
}
|
|
|
|
declare i32 @d(...)
|
|
|
|
define i32 @PR40930() {
|
|
; CHECK-LABEL: @PR40930(
|
|
; CHECK-NEXT: bb:
|
|
; CHECK-NEXT: [[TMP:%.*]] = alloca i32, align 4
|
|
; CHECK-NEXT: br label [[BB1:%.*]]
|
|
; CHECK: bb1:
|
|
; CHECK-NEXT: br label [[BB2:%.*]]
|
|
; CHECK: bb2:
|
|
; CHECK-NEXT: br label [[BB2]]
|
|
; CHECK: bb3:
|
|
; CHECK-NEXT: [[TMP4:%.*]] = call i32 (i64, i64, ...) bitcast (i32 (...)* @c to i32 (i64, i64, ...)*)(i64 4208870971, i64 4208870971)
|
|
; CHECK-NEXT: br label [[BB1]]
|
|
; CHECK: bb5:
|
|
; CHECK-NEXT: [[TMP6:%.*]] = load i32, i32* [[TMP]], align 4
|
|
; CHECK-NEXT: ret i32 [[TMP6]]
|
|
;
|
|
bb:
|
|
%tmp = alloca i32, align 4
|
|
br label %bb1
|
|
|
|
bb1: ; preds = %bb3, %bb
|
|
br label %bb2
|
|
|
|
bb2: ; preds = %bb2, %bb1
|
|
br label %bb2
|
|
|
|
bb3: ; No predecessors!
|
|
%tmp4 = call i32 (i64, i64, ...) bitcast (i32 (...)* @c to i32 (i64, i64, ...)*)(i64 4208870971, i64 4208870971)
|
|
br label %bb1
|
|
|
|
bb5: ; No predecessors!
|
|
%tmp6 = load i32, i32* %tmp, align 4
|
|
ret i32 %tmp6
|
|
}
|
|
|
|
declare i32 @c(...)
|