; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -passes=loop-vectorize -S %s | FileCheck %s target triple = "i386-unknow-linux" define void @icmp_predicate_and_branch_cost(i32 %size, ptr %dst, i64 %conv5.i) #0 { ; CHECK-LABEL: @icmp_predicate_and_branch_cost( ; CHECK-NEXT: entry: ; CHECK-NEXT: br label [[LOOP_HEADER:%.*]] ; CHECK: loop.header: ; CHECK-NEXT: [[IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[IV_NEXT:%.*]], [[LOOP_LATCH:%.*]] ] ; CHECK-NEXT: [[EXT_IV:%.*]] = zext i32 [[IV]] to i64 ; CHECK-NEXT: [[ADD_IV:%.*]] = add i64 [[EXT_IV]], 8 ; CHECK-NEXT: [[C_1:%.*]] = icmp ugt i64 [[ADD_IV]], [[CONV5_I:%.*]] ; CHECK-NEXT: br i1 [[C_1]], label [[THEN_1:%.*]], label [[LOOP_LATCH]] ; CHECK: then.1: ; CHECK-NEXT: [[C_2:%.*]] = icmp ult i32 [[IV]], [[SIZE:%.*]] ; CHECK-NEXT: br i1 [[C_2]], label [[THEN_2:%.*]], label [[LOOP_LATCH]] ; CHECK: then.2: ; CHECK-NEXT: [[OR:%.*]] = or i32 [[SIZE]], [[IV]] ; CHECK-NEXT: [[TRUNC_OR:%.*]] = trunc i32 [[OR]] to i8 ; CHECK-NEXT: br label [[LOOP_LATCH]] ; CHECK: loop.latch: ; CHECK-NEXT: [[SINK:%.*]] = phi i8 [ [[TRUNC_OR]], [[THEN_2]] ], [ 1, [[LOOP_HEADER]] ], [ 0, [[THEN_1]] ] ; CHECK-NEXT: store i8 [[SINK]], ptr [[DST:%.*]], align 1 ; CHECK-NEXT: [[IV_NEXT]] = trunc i64 [[ADD_IV]] to i32 ; CHECK-NEXT: [[C_3:%.*]] = icmp ugt i32 [[SIZE]], [[IV]] ; CHECK-NEXT: br i1 [[C_3]], label [[LOOP_HEADER]], label [[EXIT:%.*]] ; CHECK: exit: ; CHECK-NEXT: ret void ; entry: br label %loop.header loop.header: %iv = phi i32 [ 0, %entry ], [ %iv.next, %loop.latch ] %ext.iv = zext i32 %iv to i64 %add.iv = add i64 %ext.iv, 8 %c.1 = icmp ugt i64 %add.iv, %conv5.i br i1 %c.1, label %then.1, label %loop.latch then.1: %c.2 = icmp ult i32 %iv, %size br i1 %c.2, label %then.2, label %loop.latch then.2: %or = or i32 %size, %iv %trunc.or = trunc i32 %or to i8 br label %loop.latch loop.latch: %sink = phi i8 [ %trunc.or, %then.2 ], [ 1, %loop.header ], [ 0, %then.1 ] store i8 %sink, ptr %dst, align 1 %iv.next = trunc i64 %add.iv to i32 %c.3 = icmp ugt i32 %size, %iv br i1 %c.3, label %loop.header, label %exit exit: ret void } attributes #0 = { mustprogress "target-cpu"="pentium4" }