; 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(...)